Boomers, New York Times columnist Bill Keller has a message for you: It's time to bite the bullet and cut spending on Social Security and Medicare. In an op-ed, Keller writes, "It's not our fault that there are a lot of us, but we have resisted any move to fix the system."

It's a diagnosis nobody in grad school would ever expect.

Arijit Guha, who's working on a doctorate at Arizona State, felt sick after coming back from a trip to India in early 2011. His severe stomach pain, which he thought was probably from a bug he caught on the journey, turned out to be caused by colon cancer. He was 30.

An outbreak of the Ebola virus has emerged in western Uganda.

Twenty cases were reported by the World Health Organization yesterday. At least 14 people have died. The number of Ebola infections is expected to rise in the next few days, as more patients are admitted to hospitals.

The outbreak began in a rural district of Uganda about 125 miles west of the Uganda capital, Kampala.

The U.S. men's gymnastics team had an excellent day of qualifying this weekend, putting it in first place entering today's team finals. But the Americans struggled in the final, which does not carry points over from the earlier rounds.

Update at 2:12 p.m. EDT: The U.S. team has taken fifth place in the competition, despite early struggles that put them in last place. Great Britain surged to win the silver medal behind China — but Japan is reportedly now disputing the score one of its gymnasts received on the pommel horse.

Actress Lupe Ontiveros died Thursday of cancer at the age of 69. She was most famous for her role in the 1997 film Selena, but Ontiveros also acted with Jack Nicholson in As Good As It Gets, played a strict mother in the independent film Real Women Have Curves and had a recurring role in the television series Desperate Housewives.

Nearly every major poll indicates that the top issues for voters are jobs and the economy. Making the wealthy pay more in income taxes? Not so much, at least according to a new USA Today/Gallup poll.

An excerpt from Gallup:

Genealogists at Ancestry.com have two surprises for us today: After years of studying President Obama's family tree, they have concluded that he was likely John Punch's 11th great-grandson. Punch is considered the first documented American slave.

The second surprise: The experts connected President Obama to Punch not through his African father, but through his mother, Stanley Ann Dunham, who was white.

Prosecutors in Colorado today charged James Holmes with 24 counts of murder and 116 counts of attempted murder in the July 20 deaths of 12 people and wounding of 58 during a shooting rampage at a movie theater in the Denver suburb of Aurora.

Just when the discussion over the London Olympics' opening ceremony was finally being overshadowed by actual sporting events at the Summer Games, news emerges Monday that the Olympic cauldron was extinguished Sunday night, so it could be moved.

As they're being told, we're pointing to some of the stories about the 12 people who died and the 58 who were wounded when a gunman opened fire on July 20 at a movie theater in Aurora, Colo. Click here to see more. As you see others, please share the links in the comment threads.