President Barack Obama schedules a rare visit to Capitol Hill as Congress readies a rare weekend session to vote on an overhaul of the nation's health care system. An impasse over abortion was resolved late Friday. The vote is seen as a test of Obama's presidency.

An Army psychiatrist suspected of opening fire at Fort Hood in Texas cleaned out his apartment and said goodbye to his neighbors in the days before the massacre. Investigators are examining Maj. Nidal Malik Hasan's computer, home and even his garbage as they try to determine a motive for the shooting spree that left 13 people dead. Hasan remains hospitalized in a coma after being shot by police.
Also See: Troubling Portrait of Suspect | Victim Profiles
And: Officer Lauded for Halting Gunman
CNN: Video Shows Suspect Before Shooting
Sphere: Arabs in Military Try to Rise Above Massacre

Sources indicate that the man suspected of killing one person and injuring five others at a Florida office building had severe money woes. Jason Rodriguez, 40, allegedly opened fire at the engineering firm that had dismissed him more than two years ago. When a reporter asked him why he had shot up the office, he replied: "Because they left me to rot."

Twenty years of research convinced Pulitzer Prize-winning science journalist Jon Franklin that people wouldn't be where they are today if it weren't for our four-legged panting friends. Some doubt his conclusions, likening him to a dyslexic churchgoer. But others support his findings.

A review of financial data shows that nearly half of all members of Congress are millionaires. Nationwide, only 1 percent of Americans are that wealthy. In addition, some of the stocks held most widely by lawmakers are those of banking and investment companies that the federal government bailed out in 2008.

Wrongfully imprisoned for a murder he didn't commit, a Florida man who spent 27 years behind bars now seeks more than a million dollars in restitution from the state. Cleared by the use of DNA evidence, 50-year-old William Dillon says, "I think the people that did it to me -- knowingly did it to me -- should have to pay for it."