"We don't necessarily have to like it, but we have to respect it," says Venitta Robinson, a black resident of the city where Trayvon Martin was slain. "You'd have to prove that George Zimmerman was seeking out to commit the crime against Trayvon Martin, specifically because he was African-American," one legal expert says. Al-Qaida fighters clash with more moderate rebel groups, who accuse the extremists of trying to seize control of the rebellion. Changes pushed by Democrats would make the Senate similar to the House, where the majority rules and the minority party enjoys little leverage. Speculation about what Ahmadinejad will do next is rampant. Some are betting that the outgoing president will become a media boss. People who delay retirement have less risk of developing Alzheimer's or other types of dementia, a study finds. Wal-Mart is battling efforts by Washington, D.C., to force big-box stores to pay workers at least $12.50 an hour. A 6-year-old boy who sank 11 feet into a Lake Michigan sand dune regains consciousness after his rescue some three hours later. A new bakery brings Twinkies back to stores: The spongy cakes now weigh less, with a shelf life of more than 6 weeks. Mike Trout, Manny Machado and Bryce Harper are among a wave of skilled, youthful players changing the makeup of the Big Leagues.