Rick Santorum doesn't know why he endorsed Marco Rubio

Rick Santorum can&#039;t explain his Rubio endorsement.

(Image credit: TIMOTHY A. CLARY/AFP/Getty Images)

last updated 4 February 2016

When Rick Santorum dropped out of the presidential race on Wednesday, he offered up an endorsement of Sen. Marco Rubio — one he seemingly can't defend. Speaking with Morning Joe hosts Joe Scarborough and Mika Brzezinski on Thursday morning, Santorum was asked to name just one accomplishment of Rubio's, and apparently couldn't.

"My feeling on Marco is someone who has tremendous potential, tremendous gifts. If you look at being a minority in the U.S. Senate in a year when nothing got — in four years when nothing got done, I guess it's hard to say there's accomplishments," Santorum said in defense.

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But Santorum seemed at a loss to explain why he threw his weight behind Rubio at all. Watch below. Jeva Lange

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Jeva Lange was the executive editor at TheWeek.com. She formerly served as The Week's deputy editor and culture critic. She is also a contributor to Screen Slate, and her writing has appeared in The New York Daily News, The Awl, Vice, and Gothamist, among other publications. Jeva lives in New York City. Follow her on Twitter.