Terry Gross

Bedbugs virtually disappeared from the U.S. by the 1950s, but now they're back -- in homes, hotels and schools. Entomologist Michael Potter, who specializes in pest management, explains how to check hotel rooms for the "perfect parasite" -- and what to do if you suspect an infestation.

A new HBO documentary details Wright's experiences writing his Pulitzer Prize-winning book The Looming Tower. Wright explains what he learned while interviewing sources for his book -- and talks about the challenge maintaining objectivity while researching modern terrorism.

Chances are you've never heard of Charles and David Koch. The brothers, worth billions, are major industrialists and generous philanthropists. But in Washington, as Jane Mayer writes in the Aug. 30 New Yorker, they're "best known as part of a family that has repeatedly funded stealth attacks on the federal government, and on the Obama administration in particular."