Today's Headlines -- Saturday

• Twister toll at 337; 2nd-deadliest outbreak in US (AP)
• Poles travel to Rome for John Paul beatification (AP)
• Criticism up on Japan govt handling of nuke crisis (AP)
• Gadhafi offers truce as NATO strikes in Tripoli (AP)
• Shuttle flight is delayed; Obama visits Giffords (AP)
• GOP hopefuls focus on Obama in NH appearance (AP)
• William weds Kate as billions watch — and hope (AP)
• Syria sends more troops to besieged southern city (AP)
• Deadline looms for `Two and a Half Men' decision (AP)
• NFL lockout returns to player, team dismay (AP)
• Libya's Gaddafi calls for negotiation with NATO (Reuters)
• Obama promises help to rebuild tornado-hit South (Reuters)
• Syrian forces kill 62, U.S. tightens sanctions (Reuters)
• Republicans jockey for position in New Hampshire (Reuters)
• Eyes on honeymoon after British royal wedding joy (Reuters)
• Mexico extradites once-powerful drug lord to U.S. (Reuters)
• Japan lower house passes emergency budget for quake relief (Reuters)
• Court backs federal embryonic stem cells funds (Reuters)
• Newlyweds William and Kate kiss as world watches (AFP)
• Defiant Kadhafi calls for talks on Libya conflict (AFP)