Back to the Future?

Police stand in a line near protestors after a rally for Freddie Gray, Saturday, April 25, 2015, in Baltimore. Gray died from spinal injuries about a week after he was arrested and transported in a police van. (AP Ph... Police stand in a line near protestors after a rally for Freddie Gray, Saturday, April 25, 2015, in Baltimore. Gray died from spinal injuries about a week after he was arrested and transported in a police van. (AP Photo/Patrick Semansky) MORE LESS

As we prepare for a 2016 election, the outlines of which we think we basically know, will urban riots bring back the “backlash voter” who dominated many elections in the late 20th century?