ever since president trump's tweet starts appearing saturday morning. do they have any evidence to support that president obama ordered the wiretapping of trump tower? >> no, there isn't an evidence chain that would support such a sweeping assertion. we have reporting about an investigation of people around trump. it's conceivable people around trump -- the f.b.i. -- there is a lot of russian communications. chris: he was saying they wiretapped his phones in trump tower. >> and if the president of the united states barack obama ordered it, there is no evidence that we know about to that effect. chris: laura, there is the question whether this is true.