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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.

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.

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.

It may be the undercard to the main event, but partisans on both sides are talking some trash ahead of the vice presidential debate tonight in Danville, Ky.

The pressure is particularly intense on Vice President Joe Biden, following his boss' lackluster performance in last week's presidential debate, which moved GOP nominee Mitt Romney into a national polling lead.