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Despite disappointment at the polls, attendance isn't expected to dip much at the annual Conservative Political Action Conference near the nation's capital. But there has been an uproar over who's invited to CPAC this year — and who's not.

Artist John Baldessari is an iconic figure in some modern art circles. His conceptual pieces — black-and-white photographs covered with colorful dots, a blue sky painted on a museum floor — can provoke smiles. But serious ideas lie beneath the surface.

The Leap Motion Controller senses and tracks hand motions to allow users to browse the Web, play games and open documents. It represents another step in a goal of computer scientists: to make interactions with machines feel natural and easy, and to take away the barriers between humans and computers.

Kenichi Togawa was working at the Fukushima Dai-ichi nuclear power plant in Japan the day the earthquake and tsunami struck. His family is still living in temporary housing. For many people, the stress and isolation brought on by the disaster could pose more persistent hazards than the radiation.

Women who took aspirin at least a couple of times a week for five years or more cut their risk of melanoma by 30 percent. The new study adds to the mounting pile of research suggesting that cheap, common aspirin lowers the risk of many cancers, including colon, breast, esophagus, stomach, prostate, bladder and ovarian cancer.

An Indiana woman wanted to honor her late husband with a headstone shaped like a couch, and featuring Indianapolis Colts and NASCAR logos. St. Joseph's Catholic Church said the headstone is completely inappropriate — so the widow sued.

Myron Robinson managed to score a year of free Netflix videos and online streaming by tweeting a photo of his new Netflix tattoo. The company tweeted back, "No way! Free year for you!"

Hardware is a hot topic this year at the Texas-based festival famous for launching startups like Twitter and Foursquare.

On Tuesday, 115 "cardinal electors" will be locked inside the Vatican to begin the secretive process of selecting the new leader of the world's 1.2 billion Catholics. It's one of the more spectacular and intriguing theatrical dramas on the planet.

Experts worry that while the North has often made threats, now it's rhetoric is ratcheting up. That may make the new young leader, Kim Jong Un, feel as if he has to follow through on the threats in some way.