In the lectures, Mr. Leguizamo comes off as a cross between Howard Zinn and Professor Irwin Corey, drawing impossible pie charts and ribald diagrams on a chalkboard and then acting out a brutal history in ludicrous skits. The physical comedy, often verging on dance, is priceless - 'translating thought into action worthy of an Iron Man competition,' as Ben Brantley wrote in The New York Times in March for his review of the Off Broadway premiere at the Public Theater.