Bristol Palin stopped by ‘The Tonight Show with Jay Leno’ Thursday night to promote her new memoir, ‘Not Afraid Of Life: My Journey So Far,’ published last month.

Of course Bristol’s famous mom, Sarah, came up during the interview, along with her possible presidential run, and Leno asked if there was any reason she shouldn’t run.

Bristol, who was being quite careful with her words, hesitated just a moment too long and gave comedy legend Don Rickles — seated next to her on the couch — the opportunity to answer, instead.

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