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Aircraft assembly workers at Boeing have voted to strike for an unprecedented second time in three years. But their contract has been extended 48 hours at the request of Washington Gov. Christine Gregoire and a federal mediator.

Female athletes are more prone than their male counterparts to certain injuries — namely knee problems and tears to the ACL. A prevention program has been developed by researchers at the University of Cincinnati to curb these injuries.

Alaska Gov. Sarah Palin came out swinging Wednesday night, saying she was honored to serve as running mate to John McCain, "a man who knows how tough fights are won." In the face of criticisms of her credentials to serve as VP, she attacked Democrat Barack Obama's experience.

Secretary of State Condoleezza Rice's visit to Libya comes after years of gradually easing sanctions on the country. She will be the first secretary of state to visit Libya since 1953, and experts tout the country's transformation as a foreign policy success story.

Sen. John McCain will officially become the Republican nominee Thursday, despite his at times rocky relationship with the party. Though McCain has adopted a more conservative game plan of late, he's still willing to call an audible now and then.

In his Wednesday speech, former New York City Mayor Rudy Giuliani tells Americans they are deciding on two candidates for "an important job that involves the safety and security of your family." He adds that Democrats are "in a state of denial about the threat that faces us now and in the future."

Pakistan says U.S.-led forces crossed into its territory and launched an attack that killed at least 15 people. The target of the attack was a village in South Waziristan, which is a tribal area used as a base by the Taliban and al-Qaida.

While Republicans gathered for a third day in St. Paul, Minn., for their party's nominating convention, Barack Obama hit the campaign trail. He stumped across Ohio Wednesday, talking about the economy and making time for a little BBQ.

Alaska Gov. Sarah Palin formally accepts her party's vice presidential nomination at the Republican National Convention in St. Paul, Minn. Her teenage daughter's pregnancy and other controversies have done little to dim Palin's appeal among Republicans.

Day 2 of the Republican National Convention was about extolling John McCain as the man ready to lead America. Sen. Joe Lieberman, the 2000 Democratic vice presidential nominee, aimed his comments at disaffected Democrats and independents. President Bush and Fred Thompson also addressed the convention.