separate. >> and why -- your reporting is ev even -- he didn't read the letter and approve it. >> in the letter friday he said it would be mueller's principle conclusions. that's not the case. on page three he didn't have a principal collusion. it's barr's that there wasn't obstruction of justice. >> everybody stand by. this is cnn breaking news. >> i want to welcome our viewers in the united states and around the world. i am wolf blitzer in washington. after nearly two years, we now know the main conclusions of robert mueller's russia information. a four-page single-spaced summary was released by the attorney general of the united states, bill barr. part of the report reading and i'm quoting now. the investigation did not kid not establish that members of the trump campaign conspired or