Trump, Obama trade barbs as GOP billionaire nails nomination

Aired: 5/26/2016 | 0:03:42 | Clip
On the day Donald Trump appeared to have clinched the number of pledged delegates required for the GOP nomination, he delivered a major energy address that criticized President Obama as much as it did Hillary Clinton. Obama returned the favor, telling the international media that world leaders are afraid of a “President Trump.” John Yang reports.