Good morning from the studio 57 newsroom at cbs news headquarters here in new york. Good to be with you. Im annemarie green. Well, we begin with one of the most highly anticipated events in washington. In just hours Robert Mueller will testify about his investigation into russian interference during the 2016 election. For the very first time the former special counsel will answer questions from congress about his probe and why he didnt make a recommendation on whether the president obstructed justice. Bofta yiman is in washington. Bofta, what can we expect from todays hearings . Annemarie, we can expect that republicans will focus on the origins of the investigation while democrats hone in on the issues of obstruction. One of the Big Questions democrats have, would President Trump be charged with a crime if he wasnt president , and the answer to that could ultimately get the ball rolling on impeachment. Former special counsel Robert Mueller will be on capitol hill today testifying befo