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Trips to war zones have become a signature for Sen. John McCain. While some senators use poster board displays on the Senate floor to make their points, McCain goes them one better and by posing in dangerous places alongside wary men with semiautomatic rifles.

The agency has finished retrofitting controversial full-body scanners with software that allows only a generic outline of the passenger's body to be seen.

Interest rates on government-backed college loans are set to double July 1 — unless Congress agrees on a fix before then. The president is expected to urge Congress on Friday to block that increase.

Local officials in Washington D.C., are on the verge of approving two high-tech radiation facilities for treating cancer at a total cost of $153 million. The treatment these hospitals would offer costs twice as much as standard radiation, but hasn't been shown to work any better for most cancers.

Environmentalists are focusing on big corporations to prevent the destruction of rain forests cut down for paper products. With help from some unlikely characters, they've scored a success against one of the world's largest paper companies.

As humans have cut into Brazil's forests, the toucan population has taken a dive. The trees, in turn, have changed, too: Without large-billed birds to eat fruit with big seeds, only trees with small seeds thrive. Eventually, one scientist says, "the impacts on the forest could be quite dramatic."

One of the longest labor strikes has finally come to an end. After nearly 10 years, hospitality workers at Chicago's Congress Plaza Hotel have put down the picket signs. But getting back to work might not be so easy.

Also: Bill Clinton blurbs a comic book; Rev. Andrew M. Greeley has died; Molly Fischer on Zelda Fitzgerald.

Also: Russia will reportedly sell fighter jets to Syria; Obama will press Congress on student loan rates.

Arvind Mahankali, a 13-year-old from Bayside, N.Y., won the Scripps National Spelling Bee on Thursday after correctly spelling "knaidel." It's a yiddish term of German origin meaning "dumpling." Mahankali had stumbled on German words two years in a row. This year, he said, "the German curse has turned into in a German blessing."