disrupt the cavanaugh hearings and said the allegation that he wanted to assassinate syrian leader bartsch are all assad is a fabrication. >> never even discussed. the book is total fiction. just like he wrote in the past about other presidents, you look at what he said about president bush, but he said about president obama, big scandalous things, it lasts for about a day. >> is the "fear" storms continue to swirl, president terms attorney came closer to allowing robert mueller to question the president. they tell fox news in response to a letter from rudy giuliani and jay sekulow, agreed to limit his questions to russia and collusion, except, he would accept a route to an answer to the questions. >> i'm not concerned about the president of the united states responding if we decide to accept the proposition of responding to written questions. >> sources say mueller has, for the moment, shelter's request or ask questions that go to the issue of obstruction of justice. he hasn't fully taken that idea off the table. he has also requested the option of an in-person follow-up issue on collusio