She’s been an astronaut, a scientist and the president of the United States. Now Barbie is a movie star. Bloomberg’s Kelly Gilblom joins this episode to talk about Mattel’s bet that the $100 million Barbie movie debuting July 21 — and the launch of the company’s entertainment division — will revive its biggest brand, reel in new fans and help it reclaim the No. 1 spot of global toymaker.