these remarks. dave and christine? >> all right, jim acosta at the white house. thanks, jim. if there are tapes of president trump's private conversations with former fbi director james comey, it could be a critical piece of evidence in the russia investigation. now, after hinting he might have them, the president is now being coy about whether they even exist. and white house press secretary sean spicer is, well, he's not exactly clearing things up. >> the president made clear in the rose garden last week that he would have an announcement shortly. >> do you have any sort of timeline on when that will be? >> when the president's ready to make it. i think the president made clear his intention on friday. >> it's an open question. >> i understand that, and he said he would answer that in due time. he's not waiting for anything. when he's ready to discuss it, he will. >> republican senator lindsey graham sits on the senate judiciary committee. cnn asked him if he thinks the tapes exist. he said "i don't think so" and added "if there are, i'm on them." we've seen the candidate trump