NewsConference Extra Get Ready for the RNC

The Republican National Convention in Cleveland is about a week away. NBC’s Conan Nolan talks to the Chairman of the Los Angeles County Republican Party Mark Vafiades. Has Donald Trump helped or hurt the GOP chances in California…and what about that poll that says Trump is 30 points behind Hillary Clinton? We also talk with Vafiades about the shooting in Dallas. He is a reserve sheriff officer locally.