With Chinese immigration waning, U.S. Chinatowns are at a crossroads

Since Chinese immigrants first started coming to the United States in the mid 1800s, many have congregated, at least initially, in Chinatowns. But as immigration slows, and China's economy roars, that flow of immigrants is drying up. And that's meant Chinatowns across the country are facing changes.


'Mohawk guy' becomes the new face of NASA

Bobak Ferdowsi is young, good looking and sports a stars-and-stripes Mohawk. He's also the flight director for NASA's Mars Curiosity rover. That Ferdowki doesn't look like your typical rocket scientist is what made him an overnight Internet sensation, and the new face of the U.S. space program.