Confusion, optimism as Democrats struggle to fix Iowa caucus chaos

Iowa Democrats were stunned and confused Monday night as technical issues surrounding the caucus forced a stumbling start to the battle for the Democratic nomination. Officials said they were confident Sunday night that nothing would go wrong, with the state party chairman assuring that Democrats were "probably the most prepared" they had ever been for a caucus. Major Garrett takes a close look at what went wrong and what candidates are doing to move forward.