Aide Standing News Today

Approach here. >> reporter: given the stakes of this hearing for next week, there have been mock hearings that republicans on the republican judiciary committee have had with a top aide playing robert mueller. also the house intelligence committee democrats had an aide standing in in their version of a mock hearing. that typically does not happen. were also learning about the specific areas that they want to probe. first with the house judiciary committee democrats, theyre going to focus on obst...