Then everything changed

The New York Times bestseller from Jeff Greenfield, the renowned CBS News senior political correspondent and veteran of CNN and ABC news, offering an alternative history of America. These things are true: In December 1960, a suicide bomber paused when he saw the young President-elect John F. Kennedy's family come to the door to wave good-bye.... In June 1968, Robert F. Kennedy declared victory in California, and then instead of heading to another ballroom, as intended, was hustled off through the kitchen.... In October 1976, President Ford made a critical gaffe in a debate against Jimmy…