A suspected gunman is in custody after a shooting at Northern Arizona University kills one person and injures three others.
US Republican presidential hopeful Ben Carson sparks controversy suggesting the Holocaust may have been avoided if people were armed.
A South Carolina city reaches a $6.5m settlement with the family of Walter Scott, an unarmed black man killed by a white policeman in April.
Presidential candidates react to the mass shooting in Roseburg, Oregon with policy suggestions and invective.
Photos from America's bleak years
Could Prime Minister Stephen Harper’s days be numbered?
Are pickup trucks for big jobs or big egos?
Should parents ask about weapons before a play date?
Why Los Angeles has a homelessness emergency
Has America already had a female president?
There should be no surprise over what the Russians have done in Syria, but Americans are blindsided. Why? Vladimir Putin has been clear all along.