Sen. Kelly Loeffler (R-Ga.) on Monday lashed out at fellow GOP Sen. Mitt Romney (Utah) over his apparent openness to call witnesses as part of President Trump's impeachment trial. Loeffler — who was just sworn into the Senate earlier this month after being appointed to succeed Sen. Johnny Isakson (R-Ga.), who was popular among members on both sides of the aisle — tweeted that it was "time to move on" from the impeachment effort. "Sadly, my colleague [Romney] wants to appease the left by calling witnesses who will slander the @realDonaldTrump during their 15 minutes of fame. The circus is...