By the time she crawled out of your mom’s Volvo roof box to deliver her first rah-rah-rahs, Lady Gaga had already hosted a poolside orgy, transformed the subway into her debaucherous lair, and sought poisonous revenge on Alexander Skarsgård for throwing her off the edge of a castle. Her ideas were big; her budgets were catching up. But the video for “Bad Romance,” the lead single from 2009’s The Fame Monster, went beyond the kind of spectacle that rising superstars like her had the resources to