PunditFact previews the March 15 news shows

Sen. Tom Cotton, R-Ark., at his office, wrote an open letter to Iran that stirred domestic and international reactions. (The New York Times)
Sen. Tom Cotton, R-Ark., at his office, wrote an open letter to Iran that stirred domestic and international reactions. (The New York Times)

Every Friday, PunditFact gives you the first look at guests on the Sunday news shows. On Sunday, we see if what they said is true. You can read how they fared here or weekly in the Daily Beast.

CBS Face the Nation (Click to see when it's on in your area)

Big guests: Sens. Tom Cotton, R-Ark., and Joe Manchin, D-W. Va., and Rep. Elijah Cummings, D-Md., Cornell Brooks, and Sherrilyn Ifill.

High on the agenda: The Republican letter to Iran, and the lessons from Ferguson, Mo.

The pundit panel: Peter Baker, John Heilemann, Dana Milbank and Susan Page.

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Fox News Sunday (Click to see when it's on in your area)

Big guests: Rep. Trey Gowdy, R-S.C., Rep Adam Schiff, D-Calif., and Sens. John Barrasso, R-Wyo., and Ben Cardin, D-Md.

High on the agenda: The Benghazi investigation and the Republican letter to Iran.

The pundit panel: George Will, Kirsten Powers, Karl Rove and Juan Williams.

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NBC Meet the Press (Click to see when it's on in your area)

Big guests: Former Chairman of the Joint Chiefs of Staff Michael Mullen, Sen. Tim Kaine, D-Va., and Rep Trey Gowdy, R-S.C.

High on the agenda: Dealing with Iran, confronting ISIS, Hillary Clinton's emails and the 2016 presidential elections.

The pundit panel: Matt Bai, Karen Finney, Kevin Madden and Andrea Mitchell.

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ABC This Week (Click to see when it's on in your area)

Big guest: Sen. Roy Blunt, R-Mo., Rep. William Lacy Clay, D-Mo., and former Sen. Jim Webb, D-Va. .

High on the agenda: The fallout from Ferguson, Mo., and Webb talks about 2016.

The pundit panel: James Carville, Ana Navarro, David Remnick and Greta van Susteren.

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CNN State of the Union (9 a.m. EST)

Big guest: Sen. Mitch McConnell, R-Ky.

High on the agenda: The Republican letter to Iran.

The pundit panel: None this week.