CAMAGUEY, Cuba (Reuters) - Six months after President Fidel Castro promised that every Cuban household would get an electric rice cooker and other appliances, most Cubans are wondering where they are. In announcing the plan earlier this year, Castro took to the stage like a television game show host touting Chinese-made rice cookers, fans, stoves, washing machines and other electric appliances that would soon be available. The goods were considered evidence of communist Cuba's recovery from the deep economic crisis the Caribbean island sank into following the demise of the Soviet Union. But so far few have been sold, though...