Once a front-runner, he's now sandwiched between second-tier GOP candidates. He has a plan, though, to make himself more personable.
And it involves chest bumping. He offered it to anyone else who might want to try.
"Anytime you want to try a chest bump, I'm all in," Jeb Bush said.
It could make him more personable. Or, it could just make him more awkward. We're just wondering who taught him how to do it.
"Here's the set up and then the bump itself," Willie Geist said on NBC.