Over the next couple of weeks, NPR Morning Edition host Steve Inskeep is taking a Revolutionary Road trip across North Africa to see how the countries of the Arab Spring are remaking themselves after revolutions last year.

Steve and his team are traveling some 2,000 miles from Tunisia's ancient city of Carthage, across the deserts of Libya and on to Egypt's megacity of Cairo.

MEDICINE BALL CARAVAN  spins new tunes by Beck (produced by Jack White), Soulsavers (fronted by Depeche Mode's Dave Gahan), Friends, The Chris Robinson Brotherhood, Papa Grows Funk, Dr. John, Nick Waterhouse and Delta Moon. Also: Florence & the Machine, Paul Simon, Givers and John Mayall's Bluesbreakers.

Join us today at 3:30 p.m. EDT for a chat on Twitter with pediatrician Robert Block, the current president of the American Academy of Pediatrics.

Search for the hashtag #nprkids. We'll be tweeting from @NPRHealth with @DrBobBlock for about a half-hour.

A federal appeals court in San Francisco says it will not reconsider an earlier ruling that California's Prop 8 ban on same-sex marriage is unconstitutional.

That means, as our colleagues at KQED's News Fix blog report, that "Prop 8 supporters will almost certainly ask the United States Supreme Court to hear the case."

With an endorsement from first lady Michelle Obama for its effort, Walt Disney Co. confirmed this morning that it is going to apply new standards to food ads aimed at children and their families during programming for kids. The entertainment giant says it will try "to inspire kids to lead healthier lifestyles."

Classic and contemporary hard core punk and oi!