House Democrats want to win big. It could cost them.

Democrats' dream election scenario risks becoming a nightmare as their candidates in Republican-leaning districts strain to assert their independence from party leadership.Why it matters: Add them to the sizable cohort of outspoken leftists promising to be a thorn in the side of House Democratic leaders, and you get all the ingredients for an unruly majority."When I see things that I don't think are right, whether they're within my own party or within another party, I'm going to call it out," Jake Johnson, a Democratic House candidate in Minnesota, told Axios in an interview.Montana Democrat S