Summary:
"CNN"s Washington bureau chief, Jay Carney, on Twitter's reaction to Idina Menzel's "Let It Go" stumble:

Full article:
Washington (CNN)Seriously, Twitter, Let. It. Go. The usually pitch-perfect Idina Menzel had a slight stumble as she was belting out her siren song, "Let It Go," for the thousands gathered in Times Square for Dick Clark's New Year's Rockin' Eve. And Twitter went all kinds of crazy. Here's what happened.