"While it would be despicable enough if the Attorney General had thus mischaracterized the report, we now have evidence he appears to have lied to Congress twice about the extent of his knowledge of the Special Counsel's reaction to Barr's mischaracterization... "No, I don't," Barr said, when asked by Rep. ... whether he knew what was behind the reports that members of Mueller's team were frustrated by the attorney general's summary... "I don't know," he said the next day, when asked by Sen. ... whether Mueller supported his finding that there was not sufficient evidence to conclude that President Trump had obstructed justice."