Studio 360 reaches new altitudes. “Up in the Air” director Jason Reitman explains what it’s like to release a film about layoffs and layovers in a time of financial hardship. Barbara Kingsolver says the flamboyant painter Frida Kahlo tried to take over her new novel The Lacuna. And the Oscar-winning songwriting duo from “Once,” The Swell Season, perform live in our studio.