to the russia investigation. president trump's campaign to discredit it. tonight there's even more republican pushback against the president's claim that an fbi spy infiltrated his campaign. let's bring in our senior congressional correspondent manu raju. you've been investigating this. you'll have more coming up later this hour. right now, you have breaking news on republicans increasingly speaking out against the president's position on this issue. >> yeah. republicans are saying there's nothing there behind the president's claims and spies infiltrating his campaign. a number of republicans told me they hope the president drops this and focuses on other issues going forward saying it's a distractions. there's nothing to base these allegations on. one republican, even some of the president's own allies like senator lindsey graham saying the president doesn't have any evidence to back up the claim. >> i haven't looked at the evidence but i've seen no