president trump leveled the explosive accusation that president trump was spying on him at trump tower, but again today still no evidence. >> thank you all very much. we're fwing to get to work. >> reporter: asked three times, the president wouldn't say whether he had any proof to back up his unsubstantiated charges. white house is focusing on health care. >> that's what people want, repeal and replace. >> reporter: yet washington is consumed by russia and the widening investigation into any connections between the trump campaign and russian operatives. the congressional probe includes allegations of presidential wiretapping which no one seems to know about but mr. trump. adam schiff, the top democrat on the house intelligence committee, told cnn's manu raju today he's seen no evidence but suppose the question will come up when james comey testifies on capitol hill later this month. >> he's certainly prepared for the question and i don't see any