jay leno

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.

You have 6,000 channels (or about that) but have you seen everything? No worries, we've tracked down the five best clips that will either have you ROFL or wiping away the tears.