Attorney General William Barr has chosen not to testify in front of the House Judiciary Committee. Could Democrats hold him in contempt? Venezuela's opposition leader, Juan Guaido, called for the largest march in the country's history yesterday. Fewer than expected showed and those that did were met with tear gas and rubber bullets. And the extradition hearing for Julian Assange begins today in London. He was sentenced Wednesday to 50 weeks in a British prison for skipping bail. What are the chances he's brought to the United States?