The new live-action Barbie movie is highly anticipated … among adults. Today on “Post Reports,” we unpack the business decisions behind Mattel’s move.Read more:Can nostalgia make the Barbie movie a win for Mattel? A few weeks ago, Warner Bros. dropped a full-length trailer for the highly anticipated film from Greta Gerwig and her co-writer and partner Noah Baumbach. Since the trailer dropped, it has gone viral – among young adults – making business reporter Rachel Lerman wonder why a toy-maker is making a movie for grown-ups. Rachel talked to industry analysts and Barbie fans about Mattel’s strategy and what this movie can tell us about the cultural moment we’re in.