 He couldn't crash out. You're flying in one of the most luxurious aircraft in the history of humanity. Yes. The jet lag thing falls a little flat. When the 81-year-old president took the stage at last month's debate, his abysmal performance in the 90-minute event stunned members of his party, including some White House staffers who rarely spend one-on-one time with Biden. Now many donors and lawmakers say they feel misled by what they say is an effort to tamp down concerns.