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NASA officials say the agency's engineers have found no easy answers to the problem of falling foam during the liftoff of space shuttles -- and a scheduled September launch will likely be delayed. Two NASA engineering teams reported on the problem Thursday.

NASA's latest voyage to the planet Mars is underway. An Atlas V rocket carrying the Mars Reconnaissance Orbiter blasted off on time following two days of scrubs due to technical glitches. The orbiter will take about seven months to get to Mars, and will circle the planet for four years.

Five years ago, Tom DeBaggio told his personal story about his battle with early-onset Alzheimer's. A return visit finds the former nursery owner less sure of himself — and scared to death of getting lost again.

Over the years the scientific community has largely decided not to take part in public debates over creationism v. evolution. Now they're being careful about how they take on Darwin's latest critics — advocates of "Intelligent Design," the argument that life is too complex to have evolved without help.

The Pentagon recommends closing 33 major bases and realigning another 29. In total, it seeks to shut more than 150 military installations. The government estimates the cuts would result in a net loss of 29,000 military and civilian jobs at a savings of nearly $49 billion over 20 years. It is the first round of base closings proposed in a decade.

Jon Scieszka, a children's author and former teacher, wants boys to read more. His new book Guys Write for Guys Read is a collection of stories, comics and advice on boyhood by best-selling authors and illustrators.

Former Congressman Tim Johnson has died. He was known as a quirky, sometimes caustic, and always energetic public servant. Johnson never lost an election. He represented Bloomington-Normal in Congress for 12 years in an older version of the 13th District before deciding not to run again in 2012

At the Chinese Theatre in Hollywood, a gaggle of fans wait for the final episode of the six-picture Star Wars saga. It won't open until midnight May 19, but fans have been there for weeks. The line has a Web site and strict rules for joining the lineup.

In John Sandford's new thriller Broken Prey, middle-aged Minneapolis police officer Lucas Davenport takes time out from crime-solving to compile a list of the top 100 rock songs for a road trip.

Carly Simon, with Moonlight Serenade is on her fourth recording of American classics by composers like George & Ira Gershwin and Cole Porter. She talks about her musical life, then and now.