The super-PAC founded by GOP operative Karl Rove on Tuesday mocked Democratic National Committee (DNC) Chairwoman Debbie Wasserman Schultz’s (D-Fla.) leadership as a boon to Republicans and "endorsed" her reelection bid.

American Crossroads said Wasserman Schultz's management has led to electoral gains for Republicans and more tension among Democrats.

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“Congresswoman and DNC Chairwoman Debbie Wasserman Schultz has played a critical role over the past several years in the massive Republican gains we have achieved at the state level, in the U.S. House of Representatives, and in the U.S. Senate,” Crossroads President and CEO Steven Law said in a statement.

"Wasserman Schultz’s leadership has also been a catalyst for the emerging civil war in the Democratic Party this year, ensuring that their nominating process will drag on far longer than that of Republicans,” he added.

The GOP group is backing her over her insurgent primary challenger Tim Canova.

"Voters of the 23rd District of Florida should know — American Crossroads stands with Chairwoman Debbie Wasserman Schultz in her primary against ultra-liberal outsider Tim Canova, and they should too.”