Photos: Boston, other cities hold marches after Charlottesville violence Thousands of counter protesters marching to a planned 'Free Speech Rally' on Boston Common on August 19, 2017 in Boston, Massachusetts. Thousands of demonstrators and counter-protestors are expected at Boston Common where the Boston Free Speech Rally is being held. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen Photos: Boston, other cities hold marches after Charlottesville violence Thousands of protesters march in Boston against a planned 'Free Speech Rally' just one week after the violent 'Unite the Right' rally in Virginia left one woman dead and dozens more injured on August 19, 2017 in Boston, United States. Although the rally organizers stress that they are not associated with any alt-right or white supremacist groups, the city of Boston and Police Commissioner William Evans are preparing for possible confrontations at the afternoon rally. (Photo by Spencer Platt/Getty Images)Photo by: Spencer Platt Photos: Boston, other cities hold marches after Charlottesville violence Thousands of protesters prepare to march in Boston against a planned 'Free Speech Rally' just one week after the violent 'Unite the Right' rally in Virginia left one woman dead and dozens more injured on August 19, 2017 in Boston, United States. Although the rally organizers stress that they are not associated with any alt-right or white supremacist groups, the city of Boston and Police Commissioner William Evans are preparing for possible confrontations at the afternoon rally. (Photo by Spencer Platt/Getty Images)Photo by: Spencer Platt Photos: Boston, other cities hold marches after Charlottesville violence Protesters face off with riot police escorting conservative activists following a march in Boston against a planned 'Free Speech Rally' just one week after the violent 'Unite the Right' rally in Virginia left one woman dead and dozens more injured on August 19, 2017 in Boston, United States. Although the rally organizers stress that they are not associated with any alt-right or white supremacist groups, the city of Boston and Police Commissioner William Evans are preparing for possible confrontations at the afternoon rally. (Photo by Spencer Platt/Getty Images)Photo by: Spencer Platt Photos: Boston, other cities hold marches after Charlottesville violence Demonstrators participate in a march and rally against white supremacy August 16, 2017 in downtown Philadelphia, Pennsylvania. Demonstrations are being held following clashes between white supremacists and counter-protestors in Charlottesville, Virginia over the weekend. Heather Heyer, 32, was killed in Charlottesville when a car allegedly driven by James Alex Fields Jr. barreled into a crowd of counter-protesters following violence at the Unite the Right rally. (Photo by Jessica Kourkounis/Getty Images)Photo by: Jessica Kourkounis Photos: Boston, other cities hold marches after Charlottesville violence Thousands of counter protesters march to a planned 'Free Speech Rally' on Boston Common on August 19, 2017 in Boston, Massachusetts. Thousands of demonstrators and counter-protestors are expected at Boston Common where the Boston Free Speech Rally is being held. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen Photos: Boston, other cities hold marches after Charlottesville violence A small group attends a vigil and march at the New England Holocaust Memorial to denounce hate groups before a controversial rally tomorrow on August 18, 2017 in Boston, Massachusetts. A free speech rally planned on Saturday on Boston Common has sparked fears of possible violence only a week after racially charged protests in Charlottesville, Virginia, turned deadly. Thousands of counter protesters are expected to attend the event which police vow to keep peaceful. (Photo by Spencer Platt/Getty Images)Photo by: Spencer Platt Photos: Boston, other cities hold marches after Charlottesville violence Barricades set up on the Boston Common where a "Free Speech" rally is scheduled and a large rally against hate in solidarity with victims of Charlotestville will converge Saturday, on August 18, 2017 in Boston, Massachusetts. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen Photos: Boston, other cities hold marches after Charlottesville violence Counter protesters march against a potential white supremacists rally on August 18, 2017 in Durham, North Carolina. The demonstration comes a week after a fatal clash during a "Unite the Right" rally between white supremacists and counter protesters in Charlottesville, Virginia. (Photo by Sara D. Davis/Getty Images)Photo by: Sara D. Davis Photos: Boston, other cities hold marches after Charlottesville violence A protester carries a flag in support of removing a monument of Andrew Jackson during a demonstration on August 19, 2017 in New Orleans, Louisiana. The rally was held in solidarity with Charlottesville, where last week's alt-right rally resulted in the death of a protester. (Photo by Jonathan Bachman/Getty Images)Photo by: Jonathan Bachman Photos: Boston, other cities hold marches after Charlottesville violence Protesters march during a demonstration on August 19, 2017 in New Orleans, Louisiana. The rally was held in solidarity with Charlottesville, where last week's alt-right rally resulted in the death of a protester. (Photo by Jonathan Bachman/Getty Images)Photo by: Jonathan Bachman Photos: Boston, other cities hold marches after Charlottesville violence A protester raises his fist during a demonstration on August 19, 2017 in New Orleans, Louisiana. The rally was held in solidarity with Charlottesville, where last week's alt-right rally resulted in the death of a protester. (Photo by Jonathan Bachman/Getty Images)Photo by: Jonathan Bachman Photos: Boston, other cities hold marches after Charlottesville violence Protesters face off with riot police escorting conservative activists following a march in Boston against a planned 'Free Speech Rally' just one week after the violent 'Unite the Right' rally in Virginia left one woman dead and dozens more injured on August 19, 2017 in Boston, United States. Although the rally organizers stress that they are not associated with any alt-right or white supremacist groups, the city of Boston and Police Commissioner William Evans are preparing for possible confrontations at the afternoon rally. (Photo by Spencer Platt/Getty Images)Photo by: Spencer Platt Photos: Boston, other cities hold marches after Charlottesville violence Protesters and counter-protesters argue during a demonstration on August 19, 2017 in New Orleans, Louisiana. The rally was held in solidarity with Charlottesville, where last week's alt-right rally resulted in the death of a protester. (Photo by Jonathan Bachman/Getty Images)Photo by: Jonathan Bachman Photos: Boston, other cities hold marches after Charlottesville violence Protesters and counter-protesters argue during a demonstration on August 19, 2017 in New Orleans, Louisiana. The rally was held in solidarity with Charlottesville, where last week's alt-right rally resulted in the death of a protester. (Photo by Jonathan Bachman/Getty Images)Photo by: Jonathan Bachman Photos: Boston, other cities hold marches after Charlottesville violence Counter protesters in witch costumes hold up signs after a march to the 'Free Speech Rally' on Boston Common on August 19, 2017 in Boston, Massachusetts. Thousands of demonstrators and counter-protestors are expected at Boston Common where the Boston Free Speech Rally is being held. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen Photos: Boston, other cities hold marches after Charlottesville violence Thousands of counter protesters marching to a planned 'Free Speech Rally' on Boston Common on August 19, 2017 in Boston, Massachusetts. Thousands of demonstrators and counter-protestors are expected at Boston Common where the Boston Free Speech Rally is being held. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen Photos: Boston, other cities hold marches after Charlottesville violence Thousands of counter protesters marching to a planned 'Free Speech Rally' on Boston Common on August 19, 2017 in Boston, Massachusetts. Thousands of demonstrators and counter-protestors are expected at Boston Common where the Boston Free Speech Rally is being held. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen Photos: Boston, other cities hold marches after Charlottesville violence Counter protesters hold up fists and signs during a march to the 'Free Speech Rally' on Boston Common on August 19, 2017 in Boston, Massachusetts. Thousands of demonstrators and counter-protestors are expected at Boston Common where the Boston Free Speech Rally is being held. (Photo by Scott Eisen/Getty Images)Photo by: Scott Eisen