A sizable number of Angelenos weren’t even born when the riots occurred twenty years ago. For them it’s old news – scratch that, it’s history. How do schools teach the lessons of this seminal event to the children of people who witnessed it firsthand? Plus, A.J. Jacobs read his way through the encyclopedia. Now he’s eaten his way through every diet known to man – caveman, blood type, vegan – and lived to tell the tale. Next time, at one o'clock.