Titan, the new supercomputer at the Oak Ridge National Laboratory in Tennessee, has been crowned the fastest in the world. It can clock 17.59 petaflops (quadrillions of calculations per second). Audie Cornish talks to Steve Henn for more.
Mitt Romney is the most famous Mormon running for office this fall. But he's far from the only one.
In Arizona, two other members of the Church of Jesus Christ of Latter-day Saints — Rep. Jeff Flake and businessman Wil Cardon — are vying for the Republican nomination for the U.S. Senate.
All three candidates have said they'll be tough on immigration. And while Mormons in Arizona have been closely identified with conservative politics, the immigration debate has exposed a rare divide on the issue.
Maricopa County, Ariz., where 3 out of 5 Republicans in the state live, has become a hotbed of Tea Party activism.
That's where the head of the Original North Phoenix Tea Party lives. His name is Wesley Harris, and he used to manufacture precision rifle barrels. These days, his son runs the business, while Harris spends most of his time as a full-time Tea Party activist.