In a book coming Tuesday by Trump campaign originals Corey Lewandowski and David Bossie, "Trump’s Enemies: How the Deep State Is Undermining the Presidency" (Center Street), the president says the Mueller investigation has helped him politically, per the WashPost's Phil Rucker:

Details: “I think it makes my base stronger,” Trump told the authors in an interview. “I would have never said this to you. But I think the level of love now is far greater than when we won. I don’t know, what do you think, Mike?” Vice President Pence, who sat in part of the interview, replied: “As strong or stronger.”