Video: William Shatner doing Sarah Palin's resignation speech
Rebirth and resentment in New Orleans
The U.S. Air Force wants you to trust robots
Look out, China! America is getting new ship-killing missiles.
63 TV shows to watch in 2015
Are there human remains at the Titanic wreck site?
The high price of cheap oil
William Shatner's rendition of Sarah Palin's speech