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Donald Trump ousts campaign manager Corey Lewandowski

"TrumpWorld" has struggled for months with an internal civil war. Today, one side won.

In this Aug. 25, 2015 file photo, Republican presidential candidate Donald Trump, right, walks with his campaign manager Corey Lewandowski after speaking at a news conference in Dubuque, Iowa. (Photo by Charlie Neibergall/AP)
In this Aug. 25, 2015 file photo, Republican presidential candidate Donald Trump, right, walks with his campaign manager Corey Lewandowski after speaking at a news conference in Dubuque, Iowa.AP

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."