Bernie Sanders has just contributed a sound bite to the Trump campaign that will be played over and over again as the election approaches. Speaking with John Dickerson on CBS’s Face the Nation yesterday, Sanders confirmed Donald Trump’s critique of the corrupt political system that includes both parties. With the release of the movie Clinton Cash, documenting the obscene amounts of money collected by both Clintons from wealthy interests with business before the federal government, the pattern of corruption that would return to the White House with the Clintons is certain to be the major issue of the Trump campaign....