FIRST ON FOX: Rep. Alexandria Ocasio-Cortez's, D-N.Y., campaign spent nearly $50K in Puerto Rico between late June and September on luxury hotels, pricey meals and $23K on a "venue rental" at the same San Juan arena where she was spotted dancing in a suite at a Bad Bunny concert during an August trip to the U.S. territory. Videos that emerged on social media from the August trip show AOC visiting a housing development to rail against gentrification while other footage from social media showed her dancing in what appears to be box seats at a Bad Bunny concert on Aug....