CNBC’s Senior Market Correspondent Dominic Chu reacts to the Dow’s tumble, marking its worst day since last October. NBC’s Ken Dilian delivers the latest on the White House and U.S. allies officially blaming China for the massive, sprawling hack of Microsoft email servers. Oakland Police Chief Leronne Armstrong discusses the increase in shootings and carjackings in his city and why he said “police cannot do this alone.” Plus, MLB Network Host and Reporter Heidi Watney says what it will mean to her to co-host the pre and postgame show for Tuesday night’s first-ever all-female MLB broadcast featuring the Baltimore Orioles against the Tampa Bay Rays.