Democrats are still expressing confidence that they’ll retake Congress in November, and perhaps they will. One reason for their optimism is the gusher of campaign money coming their way this year, and notice how you don’t hear liberals complaining about the corrupting power of money in politics.

Democrats are rolling in cash as liberal interest groups, unions and rich liberals are fired up, while business lobbies hedge their bets in case Nancy Pelosi is the next Speaker. Mrs. Pelosi remembers who gives—and who doesn’t.

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