After one day of TV hearings, the impeachment battle lines remain the same

Thirty-eight minutes into his opening statement during Wednesday's impeachment hearing, Amb. Bill Taylor, the career foreign service officer and top US diplomat to Ukraine, paused, took a drink of water, and delivered the day's biggest bombshell.

Less than a week earlier, Taylor learned that a member of his staff had overheard President Donald Trump discussing "the investigations" in Ukraine while on the phone with EU ambassador Gordon Sondland. That newly disclosed call took place on July 26, one day after the now infamous call between Trump and new Ukrainian president...