A masked gunman killed a Yemeni man when he was on his way to work as a security official at the U.S. Embassy in Sanaa, the AP and Reuters are reporting.

The Associated Press reports that Yemeni officials said the drive-by shooting was reminiscient of other attacks undertaken by the al-Qaida offshoot in Yemen.

The AP adds:

When a stranger can gain access to someone's entire genetic code by picking up a used coffee cup, it presents a whole new thicket of concerns about privacy and security.

Actually, we're already there, though we're still in the early stages of what's shaping up, after all the years of hype, as a genuine revolution. Just take a look at Rob Stein's recent series on the $1,000 genome to see how far we've come and where we're headed.

Last week, Joel Rose wrote about the compact disc on its 30th anniversary, but it could have been an obituary. In the last decade, CD sales in the United States have dropped by more than two thirds, fulfilling a cycle that dates back to wax cylinders and 78 rpm discs: the 20 to 30 year lifespan of a format, followed by the rise of a new technology. So we decided to look at the format that usurped the CD's place in music listener's ears and hard drives, if not always hearts.

Tensions are heating up between Syria and Turkey, as rebels and regime troops continue to battle it out. Host Michel Martin discusses whether the conflict can spill over with Abderrahim Foukara of Al Jazeera International and Radwan Ziadeh of the Syrian National Council, a coalition of exiles opposing Syrian President Bashar al-Assad.

The New York City council Wednesday held a hearing about blocking the controversial "stop and frisk" policy. That allows police to stop, search, and question people suspected of carrying weapons or drugs. It's also the subject of a New York Times short film. Host Michel Martin speaks with a producer and a young man featured in the film.