Dozens injured as commuter trains collide in Conn.
Two Metro-North trains carrying 700 people collided in Connecticut during Friday's evening rush hour
O.J. Simpson's ex-lawyer contradicts his testimony on guns
Yale Galanter took the stand in a hearing on Simpson's claim that he was so badly represented at trial and on appeal that his conviction should be thrown out
Facebook's rocky year as a public company
The social network's first post-IPO year was punctuated by extreme highs and lows, but in the end Facebook stayed Facebook