The Pentagon on Monday said that it was reviewing what it called “serious allegations of misconduct against” Sen. Mark Kelly, an Arizona Democrat who was recently harshly criticized by President Donald Trump for urging members of the military to refuse to follow unlawful orders. The Defense Department did not reveal the claims against Kelly, who is a retired captain in the U.S. Navy. The department also did not say who made the allegations. But in a post on X, the Pentagon said that a “thorough review of these allegations has been initiated to determine further actions, which may include recall...