Weekend Edition host Rachel Martin talks with NPR's Mike Pesca for his take on the sports news of the week.

Russia announced this week that it would no longer work to disarm nuclear and chemical weapons under the U.S. program known as Nunn Lugar. This was a very successful program that reduced Russia's stockpiles of weapons of mass destruction over the past 20 years. U.S. money and expertise drove the program, but now the Russians believe they have plenty of both to continue the job on their own. NPR's Mike Shuster reports.

A note written by a 13-year-old Boy Scout 40 years ago was recently found on top of the Sierra Nevada mountains in California. Weekend Edition host Rachel Martin talks with the former Boy Scout Tim Taylor, who is now a superior court judge in San Diego.

Every answer is a two-word phrase in which the letter "O" is added at the end of the first word to make the second word. For example, given the clue "pack animal owned by Thomas Jefferson's first vice president," the answer would be "Burr burro."

Author J.R.R. Tolkien's epic fantasy world Middle-Earth is filled with hundreds of characters. So many in fact, that a Swedish university student has created a comprehensive census and family tree to catalog the more than 900 humans, elves, dwarves and hobbits.

Jasmine Garsd and Felix Contreras, hosts of NPR's Latin alternative music podcast Alt.Latino, share two Argentine songs that fuse new styles with traditional ones.

The musician and educator spent six years as Ira Gershwin's cataloger and archivist. His experience forms the basis of a new book, The Gershwins and Me, in which he explores George and Ira's work and influence.

At Cranbrook School for Boys, Mitt Romney and his classmates "lived by the bell" and wore coats and ties to dinner. Romney made his mark at the prestigious private school, but a former classmate says, "you never saw Mitt and said, 'That's the governor's son.' He was one of the guys, quite honestly."

NPR's longest-serving reference librarian, Kee Malesky, is the author of a new book, Learn Something New Every Day: 365 Facts to Fulfill Your Life. Malesky offers facts for each day of the year, from the landing on the moon to the invention of sliced bread.

Pulitzer Prize-winning poet Mary Oliver often writes about the natural world — the animals she sees and the woods she walks in. Her new book, A Thousand Mornings, collects her morning meditations as she stands by her door, notebook and pen in hand.