Finally tonight, pink is the color of the summer, but a barbie movie enjoying a blockbuster opening week, but it's also the stage name of one of my previous guests, the pop star pink, who is kicking off the north america leg of her summer carnival tour this week. i spoke with pink earlier this year about her newest album, "trust fall" as she was preparing for the tour. she told me what it's like to perform in front of a packed house and sometimes to flyover it. explain to us mortals how is it like when you walk out on a stage and there are 50,000 screaming adoring fans. what is that like? >> i...