FAST FIVE: * "Why America doesn’t really have a terrorism problem." * Kevin Drum says the NRA won the gun control debate years ago, and reversing it will take years as well. Jonathan Chait blames the system . * Marc Lynch on rethinking the Muslim Brotherhood . * "Let's hope the Boston marathon bomber is a white American ." * Kepler-62: how we find Earth-like planets orbiting far-off stars.