All Things Considered

Revelations that the Internal Revenue Service targeted some conservative groups seeking tax-exempt status for extra scrutiny have put a spotlight on a part of the tax code increasingly popular with political groups: section 501(c)(4).

But what's the benefit for organizations to get approved for 501(c)(4) status?

A recent incident on a commercial airliner raises an interesting question: can an airline bar you from taking pictures on their plane?

Transcript

AUDIE CORNISH, HOST:

It's been one month since a pair of bombs exploded near the finish line of the Boston Marathon, killing three and wounding more than 260. NPR's Joel Rose returned to the scene today and found Bostonians observing the somber occasion with little fanfare.

Climate change is gradually altering the fish that end up on ice in seafood counters around the world, according to a new study.

"The composition of the [global] fish catch includes more and more fish from the warmer areas, and cold-water fish are getting more rare, because the temperatures are increasing," says Daniel Pauly at the University of British Columbia, a co-author of the study.

Audie Cornish talks to Scott Horsley about the IRS Inspector General's report on the agency's audit of conservative groups.