Republican state Sen. Scott Brown, foreground, reacts as he hears from a campaign staff member that The Associated Press called the primary in his favor while working on his speech in a hotel room, in Newton, Mass., Tuesday, Dec. 8, 2009. Brown, who was vying with Republican businessman Jack E. Robinson in the primary, will challenge the Democratic primary winner for the U.S. Senate seat left empty by the death of U.S. Sen. Edward M. Kennedy, D-Mass.
(AP Photo/Steven Senne)