Videos show an alarming number of citizens and journalists assaulted and intimidated by police during protests, causing more anger. It could be a long, hot summer, similar to 1968.

During the 1960s civil rights protests throughout the South, the tide turned when images of police using tear gas, clubs, attack dogs, and fire hoses on demonstrators hit the evening news, shocking millions of viewers across the country.

Today, many people don’t focus as much attention on the evening news, but get more immediate updates in videos and social media feeds, often based on their…