South Carolina Rep. Trey Gowdy denounced Rubio's rival, Texas Sen. Ted Cruz, in a recorded, 54-second message blasted out to 500,000 households in February. The call was made just days before South Carolina's Republican primary.

The message was paid for by the Marco Rubio campaign.

Campaign 2016: Marco Rubio for President robocall in South Carolina

Reported by South Carolina's Post and Courier, this phone call came from the Courageous Conservative Political Action Committee, a pro-Ted Cruz group. 

Pro-Ted Cruz robocall slams Donald Trump over Confederate flag

Marco Rubio discusses immigration and how the parties must come together with CBS News Correspondent Peter King.

Marco Rubio on immigration and bipartisanship

CBS News Correspondent Peter King asks Marco Rubio about the Supreme Court's decision on the Affordable Care Act and what being a potential running mate with Mitt Romney means on a personal level. 

Marco Rubio on healthcare and the vice presidential position

CBS News's Mark Knoller interviews White House National Security Adviser Tom Donilon.

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