Attorney General William Barr calls special counsel Robert Mueller's letter expressing his concerns "a bit snitty" https://t.co/Qxssz1OEzs https://t.co/GoLtbOq7Zz

Attorney General William Barr calls special counsel Robert Mueller's letter expressing his concerns "a bit snitty" https://t.co/Qxssz1OEzs https://t.co/GoLtbOq7Zz (via Twitter http://twitter.com/CNN/status/1123949809919057925)