U.S. counterterrorism efforts include choking off the flow of cash to extremists, and urging friendly countries to help. But in Nairobi, Kenya, suspicion of Somali money — and an increase in terrorist attacks — has prompted a country-wide crackdown, with Kenyan police accused of extortion and arbitrary arrests of thousands of Somali refugees.

But how do you tell the difference between tainted money and honest cash?

Take Eastleigh, a neighborhood in the Kenyan capital, Nairobi.

Since the drubbing that Superstorm Sandy gave the Northeast in November, there's a new sense of urgency in U.S. coastal cities. Even though scientists can't predict the next big hurricane, they're confident that a warmer climate is likely to make Atlantic storms bigger and cause more flooding.

Cities like Boston are in the bull's-eye.

For decades, Myanmar was isolated diplomatically, an economic backwater that seemed almost frozen in time amid a Southeast Asian region that was modernizing at a rapid pace.

But the political reforms under way in Myanmar, also known as Burma, are redefining its place in the world. President Obama's visit in November was a sign of the dramatic turnaround in relations with the United States.

In Sumter, S.C., home of Shaw Air Force Base and the 20th Fighter Wing, cars sport bumper stickers that say, "Jet noise is the sound of freedom."

Throughout the day, F-16s on training runs blast from a runway on base, disappearing into the foggy sky. But if automatic, across-the-board federal spending cuts slated for March 1 go into effect, there will be a lot less of that sound.

"To cut to that level, we just could not pay for the amount of flying hours that we currently have," says Capt. Ann Blodzinski, the base's chief of public affairs.

Every so often, we ask a panel of public radio's music experts to share their favorite new songs.