1. President Trump plunged into a dispute between conservative House Republicans and the deputy attorney general, Rod Rosenstein, over access to information about some of his biggest cases — including the Russia inquiry.

Mr. Rosenstein, above center, who is overseeing the special counsel investigation, has given the lawmakers access to hundreds of thousands of pages of documents. But he has also made it clear in recent days that he does not intend to go further.

Mr. Trump sided with the lawmakers, writing on Twitter: “At some point I will have no choice but to use the powers granted to the Presidency and get involved!”