Havana Highwire Mysterious Book Report No. 497 By John Dwaine McKenna Havana Highwire, (Severn, $28.99, 224 pages, ISBN 978-0-7278-5073-7), by John Keyse-Walker, takes place in 1957—a couple years before Fidel Castro came to town and imposed a whole new kind of tyranny, serfdom, and perpetual poverty on the island—at a time Cuba was in the thrall of a dictator named Fulgencio Batista . . . who’d gone into business