Donald Trump knows his base, but the one-time registered Democrat is out to build a team that's even more intimately knowledgable of the right-wing voter, so he's turned to Sarah Palin's inner circle for help. Trump has tapped a former Palin aide to serve as his campaign's political director, USA Today reports.The Republican presidential frontrunner wants Michael Glassner, chief of staff for SarahPAC -- Palin's super PAC -- to run his political show.