Hong Kong authorities said Friday that they had confiscated $1.4 million worth of ivory that arrived smuggled in a shipping container from Africa, the second large seizure of tusks at the busy port in the past month.

Former CIA Director David Petraeus is expected to tell House and Senate committees Friday that soon after the attack on the U.S. Consulate in Benghazi, Libya, it suspected Ansar al Sharia was responsible. But just what is Ansar al Sharia, and why wasn't it identified as a prime suspect two months ago?