AP - A chaplain exhorted hundreds of mourners gathered at a candlelight vigil to not give up hope as Fort Hood and its surrounding community looked to each other for comfort after an Army psychiatrist allegedly went on a deadly shooting spree at the military base.

AP - President Barack Obama is traveling to Capitol Hill on Saturday to try to close the sale on his signature health care overhaul, facing a make-or-break vote in the House certain to be seen as a test of his presidency.

AP - Employees at an engineering firm recognized their former co-worker when he drew a handgun from under his shirt, police said, and shot his first victim dead in the reception area. He then walked into the office and unloaded several more rounds, wounding five other employees at the company that fired him two years ago.

AP - Afghanistan's Foreign Ministry said Saturday that the top U.N. official in the country overstepped his authority by giving instructions on how to rid the government of corruption and warlords.

AP - A young woman broke into the homes of Hollywood celebrities she admired, including Lindsay Lohan, Paris Hilton and Audrina Patridge, because she wanted to own their designer clothes and jewelry, an informant told police.

AP - Some women strode the catwalk in vicious spiked bracelets and body armor. Others had their heads covered, burqa-style, but with her shoulders — and tattoos — exposed. Male models wore long, Islamic robes as well as shorts and sequined T-shirts.

AP - Rifts among the world's top financial officials are threatening to stymie their attempts to secure future global growth and break a deadlock over who bears the cost of fighting climate change.

AP - A space elevator may not be rocket science but it can be just as complicated — and rewarding.

AP - LeBron James celebrated with the Yankees and toyed with the Knicks.

Reuters - With a close vote looming, the U.S. House of Representatives was expected to open debate on Saturday on a sweeping reform bill that would spark the biggest healthcare changes in four decades.

Reuters - Investigators searched on Friday for the motive behind a mass shooting at a sprawling U.S. Army base in Texas, in which an Army psychiatrist trained to treat war wounded is suspected of killing 13 people.

Reuters - An ex-employee of an engineering consulting firm who was laid off in 2007 opened fire at his former workplace in Orlando, Florida, on Friday, killing one person and wounding five others, police said.

Reuters - The International Monetary Fund warned global financial leaders on Friday not to repeat the mistakes of the Great Depression and choke off emergency support for their economies too quickly.

Reuters - A videotape of Al Qaeda leader Osama bin Laden released on Friday is the Pashto-language version of a tape released several months ago, said IntelCenter, a U.S.-based terrorism monitoring firm.

Reuters - A U.S. trade panel on Friday approved two new investigations into charges of unfair trade practices by China, but rejected another one week ahead of President Barack Obama's trip to Asia.

Reuters - More than 25 NATO and Afghan troops were wounded during a search Friday for two missing U.S. paratroopers in western Afghanistan, the NATO-led force said.

AFP - Iran is refusing to send its low-enriched uranium abroad for further processing, the influential head of parliament's national security and foreign policy committee was quoted as saying on Saturday.

AFP - US President Barack Obama led his nation in mourning Saturday as shocked Americans struggled to understand why a Muslim army doctor unleashed a massacre at a US military base, killing 13.