Scott Brown's surprise victory in the Massachusetts Senate race has given Republicans new confidence in challenging Democrats in the 2010 midterm elections. Here's a look at 10 GOP congressional contenders who could follow in Brown's wake GOP Congressional Contenders 1. Marco Rubio: Florida Senate 2. Mike Castle: Delaware Senate 3. Richard Hanna: New York House 4. Mick Mulvaney: South Carolina House 5. Sean Duffy: Wisconsin House 6. Kelly Ayotte: New Hampshire Senate 7. Jane Norton: Colorado Senate 8. Mark Kirk: Illinois Senate 9. Steve Stivers: Ohio House 10. Pat Meehan: Pennsylvania House http://www.time.com/time/specials/packages/completelist/0,29569,1958119,00.html