British Prime Minister Keir Starmer found broad support among lawmakers Monday, easing speculation that he will be toppled by revelations about his former ambassador’s ties to late convicted sex offender Jeffrey Epstein. In an attempt to rebuild some of his badly weakened authority, Starmer addressed Labour lawmakers in a 75-minute closed-door session, the same day his office said he does not plan to step down. All of Starmer’s Cabinet members extended public support to him in the hours before the session, and legislators gave him a round of applause when it concluded. The prime minister is facing heavy criticism for...