In this episode, the global food shortage reaches America, just in time for swimsuit weather. Then, a hero is cleaning up our streets. I hope he starts with those annoying yellow lines. Plus, I sit down with Maria Shriver, who has written a book encouraging high-school students to find their place in the world -- the answer: Iraq. The truth shall set you free -- unless you killed somebody, in which case, remember: tell the cops they were breathing when you left. This is The Colbert Report.