Groups such as the Lincoln Project and Republican Voters Against Trump — which is focused on first-person testimonials like Josh’s — emphasize guerrilla tactics and scathing ads as they troll the president. The movement seeks to build a national political operation to oust both the president and his supporters in Congress, with a particular emphasis on persuading white suburban voters who consider themselves true Republicans to break from the president, according to interviews with more than a dozen anti-Trump advisers and allies who are involved in the planning, some of whom spoke on the condition of anonymity to describe private discussions.

Advisers to the Lincoln Project, which they say has about 30 employees and raised $16.8 million this quarter, will soon expand to include ground operations. They are coordinating over 2,500 volunteers in Michigan and plan to next target Republican Sens. Susan Collins (Maine), Joni Ernst (Iowa), Thom Tillis (N.C.) and Lindsey O. Graham (S.C.), who they see as vulnerable after his challenger, Jaime Harrison (D), pulled in a staggering $13.9 million since April…

Two Republican officials who work on House and Senate races said the Lincoln Project and similar groups are more effective at rattling the president than affecting the electoral landscape. “They don’t have juice,” one of them said. A second added that groups aren’t spending “big money,” and that Trump — if the election were held right now — would face “a bloodbath” regardless of the groups’ various efforts.