Triumph and tragedy, the Kennedy family tree

For more than a half century, the Jospeh P. Kennedy family of Hyannis, Mass. has presented the nation with a president, senators, congressmen and a slew of other leaders in charities and causes. Along the way, their paths and those of spouses and children have attracted notice and notoriety. Here with a sprinkling of celebrities is the family that has enthralled and appalled.