Castro was a suspect in JFK assassination
President Lyndon Johnson thought Cuban President Fidel Castro played a role in the 1963 assassination of President John F Kennedy, but worried that a retaliatory strike on Cuba could lead to nuclear war, according to a new book.
| Medicine Nobel goes to American biologist
An American biologist who discovered a new class of germ that causes `mad cow' disease and other brain-wasting conditions has won the Nobel prize for medicine this year.
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