CNN CNN Newsroom With Carol Costello October 21, 2015 14:01:00
I'm carol costello. thank you so much for joining me. joe biden hasn't formally entered the ring, but that formality aside, he's popping good jabs at hillary clinton. and as critical deadlines inch closer, some biden allies are already lining up to help. our senior white house correspondent jim acosta has more on that. good morning, jim. >> good morning, carol. vice president joe biden appears to be beefing up his potential ground operation by lining up the support of the international firefighters union. the group's president says he has spoken to biden a couple of times over the last few day...