As the investigation of yesterday's shooting rampage in Ottawa continues, it's still unclear whether the gunman had any accomplices in the shooting. CBS News has learned the gunman's passport had been revoked after he was in contact with individuals in Syria. Yesterday, police swarmed the streets after a gunman shot dead a soldier guarding the National War Memorial, reports CBS News correspondent Jim Axelrod. Witnesses said the man then stormed Canada's parliament, where the violent spree ended when 58-year-old sergeant-at-arms Kevin Vickers shot and killed the alleged gunman.
The Obama administration is trying to find ways to stop home-grown radicals and is looking outside of government for inspiration. CBS News correspondent Margaret Brennan reports on a new program in Maryland that is the first community-led effort to fight violent extremism.
Nurse Amber Vinson, who contracted the Ebola virus in Dallas caring for Thomas Duncan, has tested free of the deadly virus, her family says, though it's unclear whether the testing is complete. Freelance cameraman Ashoka Mukpo, who contracted Ebola in Liberia, was released from a Nebraska hospital yesterday. But as many as ten people in the Seattle area and Connecticut, many of whom arrived recently from West Africa, are the latest in the United States being watched for Ebola symptoms.
The government is urging still more owners of vehicles with potentially deadly airbags to bring them in immediately for repair. Some 3 million more vehicles were added to the list, bringing the total to 7.8 million. CBS News correspondent Jeff Glor reports a growing chorus of legislators is asking why more isn't being done.
Analysts say the massive recall of vehicles with the defective airbags, which some expect to become the largest in history, could take years to fix and have far-reaching impacts for both consumers and the automobile industry. Japan's Takata, which made the airbags, controls over 30 percent of the international airbag market.
Attorney General Eric Holder and Deputy Attorney General James Cole are both stepping down from their roles at the Justice Department soon, leaving a power vacuum at an agency that has its hand in just about every ongoing national controversy and that plays a central role in the implementation of President Obama's agenda.
Should NFL players be allowed to smoke marijuana? It's banned by the league, but CBS News correspondent Barry Petersen speaks with one former player who said the pain of playing football made the drug a necessity.
The type of virus that causes cold sores may be linked to an increased risk of Alzheimer's disease, according to two recent studies from Sweden. Results clearly show that there is a link between infections of herpes simplex virus and the risk of developing Alzheimer's.
With 68 characters on the social media platform, CBS News correspondent Seth Doane reports, Kenny G, known for his smooth jazz music, stepped into the thorny issue of the pro-democracy protests in Hong Kong. It may have seemed innocent enough: Kenny G snapped a selfie at the Hong Kong street demonstration, made a peace sign and tweeted, "I wish everyone a peaceful and positive conclusion to this situation"
Neil Diamond hasn't stopped writing songs since he first picked up a guitar in the 1950s. The singer, known for his stadium-sized anthems, released his 32nd album earlier this week. CBS News correspondent Anthony Mason spoke with Diamond about why he has to keep making music and how the auditorium of Brooklyn's Erasmus High School changed his life.