the, "cross-examine" with ellie and joins us to give us his take on the week with big issues like this. it must be our viewers can see the future because they had this exact question for you about this potential development and congressman schiff will talk about it tomorrow, but the question is can schiff and congress compel mueller to testify in front of them to say what he knows about the mueller report? >> our viewers were on this all week and adam schiff proves them right. good work by the viewers. the answer is yes, he would have to testify. but people need to understand, it would not be an open book. it would not be tell us everything about the investigation. he could not talk about national security information, classified information, grand jury information, meaning information he got through subpoena typically is supposed to be secret. but there are ways to go to a judge and ask for permission to