The House on Wednesday will vote to send articles of impeachment to the Senate. This as new details come to light about the pressure campaign against the former U.S. ambassador to Ukraine. Will it amplify calls to allow new evidence in the upcoming Senate trial? In the final Democratic presidential debate before the Iowa caucuses, Sen. Elizabeth Warren (D-Mass.) confronted doubts over a woman in the White House head on. And 18 months after he began his trade war with China, President Donald Trump is set to sign a partial truce. What's in it?