Today in history: On April 17, 1961, some 1,400 CIA-trained Cuban exiles launched the Bay of Pigs invasion of Cuba in an attempt to topple Fidel Castro, whose forces crushed the incursion within three days. Also on this date: In 1964, Jerrie Mock completed the first solo around-the-world flight by a woman, landing her single-engine Cessna plane in Columbus, Ohio after a 29-day journey. In 1969, a jury in Los Angeles convicted Sirhan Sirhan of assassinating Sen. Robert F. Kennedy. (Sirhan’s