may corroborate or contradict. they're going to report all of this, and the reader, the senate and the president, are going to have to decide who's telling the truth and what the credibility is. that's not the purview of a background investigation. they're not going to make credibility determinations. they're going to let the facts and statements speak for themselves. in some cases, they may be ambiguous. details are incredibly important in this type of scenario. and fresh, unstepped on statements from witnesses who haven't had a chance to coordinate with each other and have not heard each other's statements is important. >> that's the point right there, the fbi investigate it, they say this is what we got. and again, it's up to the senators to make the final decision. thanks very much. still to come, we're five weeks from the midterm elections. new polls show races, very key races, tightening for several inki