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When Bill Dallas first heard that 15 to 20 million Christians in the U.S. are not registered to vote, he couldn't believe it.

"Initially, it surprised me. And then I thought to myself, 'Wait a minute, I'm not registered,' Dallas says. "Why wasn't I registered? Well, because I didn't think my vote made a difference."

Identifying Christians With Data Points

A series of fatal riots inside Mexican prisons last week and a deadly blaze at a penitentiary in Honduras are prompting calls for major penal reform in Central America.

Violence at three different penitentiaries in Mexico last week left 48 inmates dead, while the inferno in Honduras earlier this month killed 360 prisoners.

These deadly events underscore the problems of corruption, overcrowding, prison gangs and crumbling infrastructure that prisons face throughout the region.

Not everyone wants to buy a mold-infested foreclosure, but Dan Grohs does.

He and his Realtor are walking through a three-bedroom house in Minneapolis. The copper pipes have been stolen by vandals and the heat doesn't work, but Grohs recently bid on the house — and he sees potential.

"It's got a nice flow to it," Grohs says as he moves through the home. "You walk in — living room, dining room, kitchen. Good spacious rooms."

For the first time, the Pritzker Architecture Prize has been awarded to an architect based in China. Wang Shu, 49, is interested in preservation, working slowly and tradition — ideals that sometimes seem forgotten in today's booming China. Wang says in the 1990s he had to get away from China's architectural "system" of demolition, megastructures and get-rich-quick — so he spent the decade working with common craftspeople building simple constructions.

"I go out of system," Wang says, "Because, finally I think, this system is too strong."

History never repeats itself exactly. But the current escalation in tension and rhetoric between the United States and Iran has revived memories of the Persian Gulf tanker war of the 1980s.

As an offshoot of the war taking place back then between Iran and Iraq, the U.S. offered protection to Kuwaiti ships carrying oil through the Straits of Hormuz. This led to attacks on multiple military and civilian ships. In addition, the U.S. Navy in 1988 shot down an Iranian airliner that was mistaken for a jet fighter.