Police violence protests intensify as Dallas mourns officers

Aired: 7/11/2016 | 0:04:37 | Clip
President Barack Obama will be in Dallas Tuesday for an interfaith service to mourn the five police officers cut down in last week’s sniper ambush. The killings have done little to muffle growing national protests against police violence as rallies, marches and human roadblocks spread from cities like New York and Baton Rouge to St. Paul and Memphis. Gwen Ifill reports.