increasing argument you're hearing from some republican lawmakers as well as right-leaning newspapers, websites, television stations about robert mueller himself. and raising questions about the fbi. we heard from donald trump jr., the president's son, just a short time ago tonight, making this argument. have a listen. >> my father talked about a rigged system throughout the campaign, and people were oh, what are you talking about. but it is, and you're seeing it. there is, and there are, people at the highest levels of government that don't want to let america be america. >> that is a remarkable charge from the president's son. people at the highest levels of government that don't want to let america be america. what's your response to that? >> that it's an irresponsible charge, and also that the president, his family, and many of his associates are looking for every single angle and way that they can to discredit bob mueller and discredit any kind of investigation into any