Today's Headlines -- Sunday

• Libyan rebels clash with regime forces in Tripoli (AP)
• Stock market begins to feed economic fear (AP)
• Social Security disability on verge of insolvency (AP)
• Families maintain hope Iran will release hikers (AP)
• GOP may OK tax increase that Obama hopes to block (AP)
• Gaza militants keep up rocket fire on Israel (AP)
• Syria hits point of no return amid broad isolation (AP)
• Service remembers 77 killed in Norway massacre (AP)
• 2 shot in SF parking lot after Raiders-49ers game (AP)
• Jerry Lewis: Saving lives through MDA was honor (AP)
• Libya rebels push towards capital to aid revolt (Reuters)
• Biden tells China not to count out U.S. strength (Reuters)
• Prosecutor to drop Strauss-Kahn case: report (Reuters)
• U.S. "hikers'" lawyer to fight Iran spy sentence (Reuters)
• Egypt, Israel try to defuse tension over killings (Reuters)
• Republicans may never get 2012 dream candidate (Reuters)
• With HP tablet dead, who can challenge Apple? (Reuters)
• USPS hopes Congress delivers overhaul package (Reuters)
• Clegg visits London riot site (AFP)
• Debt crisis resists assault by ECB and global leaders (AFP)