rebels say they beat back gadha gadhafi's mercenaries there. in germany two u.s. air force airmen were shot and killed outside a terminal at the frank furlt airport. two more were wuntded. the interior minister says the gunman was a kosovo national. president barack obama made an appearance at a press briefing last hour to express his sadness and outrage about those attacks. stay with us for updates on this developing story. also developing today, a medical emergency for tennis star sarena williams. a spokeswoman tells "people" magazine she was treated for a hematoma monday after a blood clot was discovered in her lung last week. she's been off the court since july because of ongoing trouble with her foot. the u.s. supreme court has ruled 8-1 that the westboro baptist church has the right to protest at places like funerals for fallen troops. the kansas church and its members are known for staging protests and holding offensive