Biden: No regrets for talking openly about stuttering

Joe Biden has been fighting a stutter since childhood, and he said Friday he has no regrets about talking openly about it after one of his responses in Thursday's presidential debate prompted a mocking tweet from former White House press secretary Sarah Sanders.Sanders ridiculed Biden on Twitter after he appeared to imitate a stuttering child during the debate.The tweet was later deleted and Biden said he accepted Sanders' public apology for posting it.