How President Obama Ended Up on 'Between Two Ferns'

President Obama walked into the room, clapped his hands and shouted: "Two Ferns!" Then he sat down to make a viral video.

What followed was an unusual spectacle, to say the least: the president of the United States hurled insult and after insult at Zach Galifianakis, host of the oddball web series Between Two Ferns, and listened as the comedian responded in kind

"What is it like to be the last black president?" Galifianakis asked at one point in the interview. "Seriously?" Obama responded. "What is it like for this to be the last time you ever talk to a president?"