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Asked about Mueller, Ernst points to Barr’s ‘spying’ conspiracy theory

The "Obama spied on Trump" nonsense isn't the first strange conspiracy theory Iowa's Joni Ernst has embraced.

Sen. Joni Ernst (R-IA) speaks to guests at the Iowa Freedom Summit on Jan. 24, 2015 in Des Moines, Iowa. (Photo by Scott Olson/Getty)
Sen. Joni Ernst (R-IA) speaks to guests at the Iowa Freedom Summit on Jan. 24, 2015 in Des Moines, Iowa.Getty Images

Steve Benen is a producer for "The Rachel Maddow Show," the editor of MaddowBlog and an MS NOW political contributor. He's also the bestselling author of "Ministry of Truth: Democracy, Reality, and the Republicans' War on the Recent Past."