Morning Jumpstart Baton Rouge shootings: 3 officers dead Baton Rouge shooter left online trail Republican convention: Viewer's popcorn guide Republican rumblings Clinton works to woo progressives Turkey coup: 6,000 arrests, US blamed Baton Rouge Shootings: 3 Officers Dead (BBC, AP, WaPo, Hill, me) • President Obama called for restraint on Sunday after three police officers were shot dead in Baton Rouge, La. The gunman, Gavin Long, an African-American who had served for five years in the Marines, was also killed. He had posted videos on the internet complaining about police treatment of blacks (he also tweeted "YES TO POLYGAMY!" (ugh) [...]