RNC Coverage: Hour 2

Brooks Jackson, director of Annenberg Political Fact Check, discusses the latest whirl of rumor and truth affecting both candidates.

Then
Paul Ekman, director of the Paul Ekman Group, discusses facial expressions to detect lying in politicians.

Then
Fred Melo, public safety reporter with St.Paul Pioneer Press, talks about protests at the Republican convention.

Then
Nate Silver, founder of fivethirtyeight.com, analyzes the week's events at the Republican convention.