the first hearing begins tomorrow the testimony from former nixon white house counsel john dean, one of the prosecutors who put dean in prison for his role in the watergate scandal since he does not see the point of him coming to testify. >> he has no relevant information and as i said, i put on as a lawyer expert witnesses and what is the expert on obstruction? that's laughable. that is backwards to anything. they should call witnesses who have firsthand knowledge of what happened and have the privilege like cory lewandowski or chris christie, not john dean for 25 years ago. i don't get it. jon: mark meredith has more from washington. reporter: he will be one of four people to testify before the house judiciary committee on monday and house democrats say the hearing will be focused on lessons from the will report. rhode island congressman david cicilline says monday's hearing