News Wrap: Roger Stone pleads not guilty; Barr vote delayed

In our news wrap Tuesday, Roger Stone, a longtime friend and adviser to President Trump, pleaded not guilty to charges of obstruction, lying to Congress and witness tampering. He was indicted as part of the special counsel’s Russia investigation. Also, the Senate Judiciary Committee postponed a planned vote on the nomination of William Barr to be U.S. attorney general, amid Democratic concerns.