House Judiciary Committee Chairman Jerrold Nadler (D-N.Y.) said Thursday that his House panel is conducting an impeachment inquiry into President Trump. Nadler added that the committee will decide by the year's end whether to refer articles of impeachment to the House floor. “This is formal impeachment proceedings,” Nadler said in an interview with CNN's Erin Burnett. “We are investigating all the evidence, we're gathering the evidence. And we will at the conclusion of this — hopefully by the end of the year — vote to vote articles of impeachment to the House floor. Or we won’t. That’s a decision that...