Senate Majority Leader Mitch McConnell struck back Tuesday at his Democratic counterpart's calls for an in-depth impeachment trial featuring multiple new witnesses, dismissing the push as a "fishing expedition" that would set a "nightmarish precedent." "The Senate is meant to act as judge and jury, to hear a trial, not to re-run the entire fact-finding investigation because angry partisans rushed sloppily through it,” he said on the Senate floor. In a Sunday letter, Senate Democratic Leader Chuck Schumer had called for the chamber to subpoena new documents and call witnesses who had been blocked by the White House during the...