John Bolton, Who Threatened to Sue the House, Now Says He's Willing to Testify in Senate Impeachment Trial

Former national security adviser John Bolton said Monday that if he is subpoenaed by the Senate during its impending impeachment trial, he is willing to testify—despite threatening the House in November with a lawsuit over his staunch objection to giving testimony during the impeachment inquiry. Bolton, who President Donald Trump said he fired, although the former Trump aide...