Levin: Iraq Mission Needs to Shift to Support Role

Published September 12, 2007 at 7:51 AM EDT

Army Gen. David Petraeus and Ryan Crocker, the U.S. Ambassador to Iraq testify before two Senate committees to give a progress report on the U.S. troop surge in Iraq. Sen. Carl Levin, a Democrat from Michigan, says the transition of the mission away from sectarian conflict will be key. Levin, ranking member on the Senate Armed Services Committee, speaks with Steve Inskeep.

Orcas are hunting whale sharks, the largest fish species on Earth

Lauren Sommer

A new study reveals how a group of killer whales is able to hunt whale sharks, adding to a growing body of research showing how the whales use intelligence and coordination in impressive ways.
Advocates renew a push for states to enact voting protections

Hansi Lo Wang

With efforts to bolster the federal Voting Rights Act unlikely under Republican control of the new Congress, advocates are refocusing on state protections against racial discrimination in elections.
How crocodiles get their scale patterns (Hint: It's unlike other animals)

Jonathan Lambert

Many animals get their external marking--like, feathers, hair or scales-from genetics. But it turns out, the crocodile gets its head patterns differently.