Trump’s allies insist he is winning in feud with Pelosi. Her backers say she showed up the president.

To many Democrats, House Speaker Nancy Pelosi scored a political victory over President Trump this past week, making him so incensed that he hurled insults at her and blew up negotiations on the one issue that held the promise of a rare bipartisan deal — infrastructure.
To the president’s allies, a weakened Pelosi (D-Calif.) needed to mollify her fractious Democratic caucus, with a growing number demanding that she launch an impeachment inquiry, a move that would give the president a fresh argument that he was a victim of overzealous...