House Majority Whip Steve Scalise showed the Bronx Bomber around.
In The Know
The book is called It’s Your World: Get Informed, Get Inspired & Get Going.
"Am I here to endorse anybody?" the rapper says. "No."
Obama bested a record set by Robert Downey Jr.
"Ok, I'm done," Sen. Claire McCaskill said of the HBO series.
The rapper says the country needs a "perspective other than the male's train of thought."
Obama debuted his own Twitter handle on Monday.