included references to trump's "incredibly good genes" and the claim with a better diet, trump could live to be 200 years old. >> the hearing was postponed this morning as reports surfaced concerning allegations of misconduct in his past. >> dr. jackson, can you say anything at all about these allegations that have come out against you in the last few days. >> i was looking forward to the hearing tomorrow. disappointed it's been postponed. looking forward to answering everybody's questions. >> you've seen the allegations, hostile work environment, drinking on the job, overprescribing medications. are you saying those are untrue? >> i'm saying i'm looking forward to the hearings so i can explain top everyone and answer all the questions. >> two sources told nbc news allegations include overprescription of medications although prior white house reviews found nothing out of ordinary. jon tester, the ranking member of the veterans fairs committee