Rep. Joe Sestak defeated five-term incumbent Sen. Arlen Specter in a Pennsylvania primary after Specter's risky step of switching to the Democratic Party. In Kentucky, tea party-supported Rand Paul won the GOP primary.
Rep. Joe Sestak defeated five-term incumbent Sen. Arlen Specter in a Pennsylvania primary after Specter's risky step of switching to the Democratic Party. In Kentucky, tea party-supported Rand Paul won the GOP primary.