At least $1 billion from anonymous donors is flowing into the midterm elections. Dark money is not new, but it now permeates nearly every major contest.
Nonprofits or super PACs have aired dozens of ads this year in House and Senate races using dark money, which is political spending by groups that hide the names of their donors.
Representative Hakeem Jeffries and former President Barack Obama will aim to give Democrats a financial boost at a time when money is a concern for the party heading into the midterm elections.
The president’s pull with the party base has been clear and his resources are vast. But his low approval ratings make him a liability with swing voters.
President Trump campaigning with Representative Mike Lawler of New York in May. Republicans have to weigh Mr. Trump’s approval ratings against his popularity among his base.