Clint Hill, the Secret Service agent who risked his life on Nov. 22, 1963, in an attempt to protect then-President John F.

Kennedy was fatally shot while rolling through Texas in a motorcade with his wife, Jackie Kennedy ... or perhaps Vice President Lyndon B. Johnson, who conveniently stepped into the presidency ...

Lyndon even made U.S. hatmakers happy—something that tousled Jack Kennedy was ... Lyndon gave Jackie four of the 62 pens he used to sign it. The following morning, Johnson took off with Lady ...