Name: Trump, Bush exchange insults as debate turns nasty
Uploaded: Wed Dec 16 2015 03:15:16 GMT+0000 (UTC)
Duration: 3 min 12 s
Description: Jeb Bush, asked to explain why he is more qualified than Donald Trump to deal with Vladimir Putin, mocks Donald Trump and incurs a barrage of insults and attacks in return.

Dec. 16, 201503:12

Trump, Bush exchange turns nasty