Reason Morning Links: McCain Wins, a Palin Surprise in Alaska, Al Qaeda Threat Shifts to Yemen

• Primary night: Quayle wins; Rubio vs. Meek vs. Crist in Florida; McCain wins; Palin-backed Tea Party candidate poised to upset Murkowski in Alaska.
• CIA: Biggest Al Qaeda threat is now in Yemen.
• Shirley Sherrod turns down offer to rejoin Agriculture Department.
• Bloomberg says no compromises, sticks to Park 51 plan.
• Residents of New York City will get a third chance to endorse term limits in November, but if it passes incumbent politicians will be exempt.