Dems call for Atty. General Barr to resign as rift with Mueller is revealed07:46
On the eve before Atty. Gen. Barr is due to testify on Capitol Hill, news breaks Mueller told Barr he was frustrated with the AG's summary of his report. Matt Zapotosky, who broke the story, plus Chuck Rosenberg, Joyce Vance, and Philip Rucker all join to discuss.