Matthew Heimbach, center, a founder of the Nationalist Front, an umbrella organization for the white nationalist movement, after a court hearing on Monday in Charlottesville, Va. , for the man accused of carrying out a car attack against counterprotesters on Saturday. The white supremacists and right-wing extremists who came together over the weekend in Charlottesville, Va. , are now headed home, many of them ready and energized, they said, to set their sights on bigger prizes. Some were making arrangements to appear at future marches. Some were planning to run for public office.