What to watch for on day 4 of the Senate impeachment trial

What to watch for on day 4 of the Senate impeachment trial-thehill: House Democrats get their final shot on Friday to make their case to the Senate and the American public that President Trump’s actions warrant conviction and removal from office. Democrats are expected to use the fourth day of the trial, which marks their third day for opening arguments, to explore the second article of impeachment adopted by the House last month: obstruction of Congress.