Why Iran's iron ayatollah distrusts the US and what that means for nuclear talks and the possibility of war with the West.
President Mahmoud Ahmadinejad, who was declared the 2009 winner by a landslide, and his aides have been dismissed by conservative rivals and clerics as a "deviant current" in Iran's theocracy.
Whaling shipwreck: A shipwreck discovered in Hawaii is believed to be the second whaling ship the real-life Capt. Ahab sailed after the famous sperm whale sank his first ship. The remains of the whaling shipwreck are to be displayed in Hawaii, and may travel to Nantucket, where the real Capt. Ahab lived.
Asteroid: Earth's largest digital camera is a 1,400-megapixel marvel peering through a telescope in Hawaii. It is on the lookout for potentially dangerous space rocks.