A new poll has Bernie Sanders up 54 to 39 over Donald Trump. Meanwhile, Hillary Clinton no longer has a double-digit lead over Trump like she did just a month ago.
Bill Moyers and Michael Winship: Unless she steps down, the Democratic convention will be dominated by someone who represents everything that has gone wrong with Washington.
Ray McGovern and Jason Leopold: The intelligence agencies had the information, the question is why didn't they use it.
See this in-depth report by Leopold published last month, which formed the basis for this interview.