Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

president obama donald trump Zeleny pkg erin_00004421
president obama donald trump Zeleny pkg erin_00004421

    JUST WATCHED

    Can President Obama stop Donald Trump?

MUST WATCH

Can President Obama stop Donald Trump?

As Hillary Clinton and Donald Trump get closer to locking in their parties' nominations, President Obama is jumping into the fray. CNN's Jeff Zeleny reports.

Can President Obama stop Donald Trump?

As Hillary Clinton and Donald Trump get closer to locking in their parties' nominations, President Obama is jumping into the fray. CNN's Jeff Zeleny reports.