Simon & Schuster is publishing the book, set for release on June 10.
The former first daughter, 34, made the big reveal in New York City.
New Jersey Gov. Chris Christie (R) on Thursday welcomed Vice President Biden to Instagram with an old photo of them together.
" 'No' is the answer — plain and simple," he said on NBC.
"I think he appeals to the lowest common denominator,” King said.
Fifty-two percent of New Jersey voters approve of Christie’s handling of the rebuilding.
The Kentucky Republican said that Bush "might have been more artful."
Billionaire Donald Trump framed himself as a job-creating anti-politician.
Nearly 75 percent in a Tampa Bay Times poll think Bush will launch a White House bid.