Now that Fidel Castro no longer heads the Cuban government, questions are emerging about whether Cuban authorities might start to relax control of its society, and how soon the U.S. government might rescind its economic embargo on Cuba.On the next Travel with Rick Steves, we examine some of the anxieties, possibilities and realities regarding Americans and Cuba. Rick welcomes Cuba expert Christopher P. Baker for a discussion of what's next for Cuba in these days of political limbo, and what it means for American travelers who want to go there.