While authorities do not yet know what killed Michael Jackson, the possibility that anesthetics -- particularly the drug Diprivan -- might be involved continues to swell. Sources close to Jackson told CNN's Dr. Sanjay Gupta that the singer traveled with an anesthesiologist who would "take him down" at night and "bring him back up" during a tour in the mid-90s.

Sarah Palin said today that she will step down as Alaska's governor by the end of the month. She will not seek election to a second gubernatorial term in 2010. Palin, a Republican, was elected governor in 2006. She was tapped as Sen. John McCain's vice presidential running mate last year.

Two children were killed when a fire broke out in a high-rise apartment building in south London on Friday afternoon, officials said. Sixteen people were injured.

A sailor found dead earlier this week at California's Camp Pendleton was shot while standing sentry, and a fire was set in an attempt to cover up evidence, the U.S. Navy said.

Get ready for the circus, writes Lee Jenkins. Manny Ramirez returns tonight following his 50-game suspension. Now the big question is, how will the NL West-leading Dodgers respond?

Manny Ramirez has apologized to fans and his teammates. He's not talking about steroids, though.

Roger Federer is headed to his seventh consecutive Wimbledon final after crushing Tommy Haas in straight sets. He'll face Andy Roddick, who upset Andy Murray in the other semifinal.

PORTLAND, Ore. (AP) -- Hedo Turkoglu has reportedly agreed to join the Portland Trail Blazers after helping Orlando reach the NBA finals this season.