Videos: Chris Rock

Nicki Minaj is reportedly leaving 'American Idol' after this season. US Weekly says the singer is leaving to focus on her new album. This comes on the heels of Randy Jackson announcing this season will be his last on the show. Plus, Chris Rock tweets a photo of himself in the studio with Eminem, sparking rumors he will appear on the rapper's next album. Patrick Jones has the rest.

If you're watching TV, there's a 46% chance the show features this week's guest: the incomparable Aisha Tyler. Lana Kane herself stops by "Totally Biased" to discuss her new book "Self Inflicted Wounds" and her many jobs. New favorite guest? Yuuup.

Comedian Chris Rock introduces the final performance of the night!

If you're watching TV, there's a 46% chance the show features this week's guest: the incomparable Aisha Tyler. Lana Kane herself stops by "Totally Biased" to discuss her new book "Self Inflicted Wounds" and her many jobs. New favorite guest? Yuuup.

When info on so-called 3D Printers hit the news, everyone in the world asked the same first question-could you use one to build a gun? It turns out you can, and Aparna Nancherla has been conducting a little independent research.

Behind every great man in history is another great man who just missed his chance at the spotlight. Larry Doby stops by the studio to remind America-and especially Kamau-why he shouldn't be forgotten during the "42" hype.

With the IRS under investigation for targeting the Obama administration's political enemies, Fitzgerald Grant isn't the only sitting president embroiled in scandal. If the story were any more dramatic, we'd swear it was written by Shonda Rhimes.

When info on so-called 3D Printers hit the news, everyone in the world asked the same first question-could you use one to build a gun? It turns out you can, and Aparna Nancherla has been conducting a little independent research.