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Fidel Castro treated Hugo Chavez like a son, and the Venezuelan leader in turn provided large dollops of assistance to prop up the Cuban economy. Cubans are now worried that the oil shipments and subsidies could decrease or even end.

The Republican from Kentucky said he would speak until he could speak no more to sound the alarm on the Obama administration's targeted killing program.

The next pope will be the spiritual leader of the world's Catholics. He will also be leading a multibillion-dollar empire that faces some challenges.

Scientists are beginning to understand how people focus on a single voice in a crowded, noisy room. This ability, known as the "cocktail party effect," appears to rely on areas of the brain that have completely filtered out unwanted sounds.

Love that bacon, but realize that porking up on processed meat ups the risk of cancer and heart disease. That's the word from a big new study that tracked the eating habits of almost a half-million Europeans over 20 years.

President Obama recently acknowledged that he doesn't have the supernatural powers necessary to do a mind meld, Jedi or otherwise, with Republicans in Congress. But as a dinner invitation shows, he can at least still get meetings with them.

By adding artificial sweeteners to flavored milk, the dairy industry hopes to boost flagging consumption in schools. But if the industry gets its way, the front-of-the-package labels wouldn't note that it's "diet milk."

The High Arctic was a warmer place 3.5 million years ago. The surprising find can tell us a lot about our future and global warming.

Iraqi and U.S. officials interviewed for the report by the Special Inspector General for Iraq Reconstruction said the $60 billion the U.S. spent on reconstruction efforts in Iraq "should have accomplished more." The findings could portend what lies ahead for the U.S. in Afghanistan where it is also engaged in reconstruction.

When President Obama signs an updated version of the Violence Against Women Act on Thursday afternoon, the law will include new requirements for how colleges and universities handle allegations of sexual assault.