Hillary Clinton barnstorms Kentucky, looking for big win

Aired: 5/16/2016 | 0:02:39 | Clip
As voters in Kentucky and Oregon prepare to go to the polls Tuesday, Hillary Clinton blitzed the Bluegrass State, hoping to end Sen. Bernie Sanders’ string of primary victories. Sanders himself was in Puerto Rico, where he decried Congress’ approach to the island’s debt crisis. Meanwhile, Donald Trump found himself in a war of words with British Prime Minister David Cameron. John Yang reports.