election. to help clinton's allies research damaging information on trump and his advisers, a politico investigation found ukrainian american operative who was consulting for the dnc met with top officials in the ukrainian embassy in washington in an effort to expose ties putting trump campaign aide paul manafort according to people with direct knowledge of the situation. have you ever heard of those allegations before? >> i have not, senator. >> i have no idea if they are true. would you agree if they are true, that is wrong for the ukraine to be involved in our elections? >> yes, senator, i take -- >> i got you. that's a good answer. >> will you look into this? >> i'd be happy to dig into it. >> are you familiar with the e-mail problems we've had with donald jr., donald trump jr. the last few days? >> i have not. i have heard there is an issue but i've spent the last few days -- meeting with colleagues so i missed that.