Source says Warren Buffett was "very annoyed" by Trump

CBS News Videos

In Sunday's debate, Donald Trump said billionaire investor Warren Buffett used the same deduction practice that could have helped the nominee legally avoid paying federal taxes for years. CBS News financial contributor Mellody Hobson, a Clinton supporter, joins "CBS This Morning" from Chicago to discuss how Buffett fired back, and the key information we could learn from just a few pages of Trump's tax returns.