Pierre Thomas has the latest on the active shooter incident that unfolded at Emory University in Atlanta, which is also near the CDC headquarters, prompting the university to send a message to students, saying, "RUN. HIDE. FIGHT. Avoid the area.”; Mary Bruce has details on Pres. Trump announcing that he will meet with Russia's Pres. Vladimir Putin next Friday in Alaska; Trevor Ault has details on the fast-moving wildfires in the West forcing thousands to evacuate, including the Canyon Fire