The past and future of the Bush political dynasty

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(CBS News) - Former President George H.W. Bush's political life was part of a robust family legacy. His father, Prescott Bush, was a U.S. senator from Connecticut. Mr. Bush and his son, President George W. Bush, are only the second father-son duo to occupy the Oval Office. The other is John Adams and John Quincy Adams.

In both his military career and in political life, George Herbert Walker Bush was driven by a sense of duty, reports CBS News correspondent Jan Crawford.

"I just had that driving feeling that I ought to go in the service," Mr. Bush once said.

"He's often said that, 'Any definition of a successful life must include service to others.' And that just defines most of his life," said Tim McBride, who served as Mr. Bush's personal aide....

Voters may one day look toward yet another Bush – Jeb's son, George Prescott Bush. Currently the Texas land commissioner, George P. Bush seemed destined to join the family business. At 12 years old, he led the pledge of allegiance at the 1988 Republican National Convention that nominated his grandfather. Now the fourth generation of his family to enter politics, George P. Bush did so with his uncle's blessing. READ MORE