0Gingrich Super PAC Adviser: Romney's a 'Vulture'You might have heard of venture capitalism, but what about vulture capitalism? An adviser for the political action committee responsible for the anti-Romney documentary defended the flick—and added some not-so-nice remarks about the candidate.Updated Apr. 24, 2017 12:36PM EDT / Published Jan. 11, 2012 9:11PM EST Fox News