President obama. Were expected to learn more short by about what is in president obamas speech. Well bring you more when we get it. And donald trump causing controversy for his comments on russian hacking. Dana bash is joining us with more. Dana, at the convention tonight, several democratic heavy hitters, being the current president , president obama. What can we expect from that tonight. Their basic message is that there should be a third democratic term. Which we have not seen, certainly on the democratic side, since a post world war ii when truman was elected after fdr. We will hear that them as well as personalizing Hillary Clinton, from the Vice President , the president , and tim kaine who will give his big debut speech. Another thing we should be looking for is a speech from michael bloomberg. The former new york city mayor, an independent who endorsed Hillary Clinton. He made his name, he made his billions as a business person, watch for him to talk about the republican nomine