Once protected from public scrutiny, the 27-year-old is seen as a "keen asset and symbol of family values," we're told. And, adds an adviser, a role is expected. "You always see the older kids. Gore, Kerry, Mondale all did it."
By Paul Bedard
Obama is criticized when taking his annual vacation in Hawaii, but he has enjoyed less time off than other presidents
Game sensation Cards Against Humanity gives $250,000 to promote transparency in politics
Watch CBS News anytime, anywhere with the new 24/7 digital news network. Stream CBSN live or on demand for FREE on your TV, computer, tablet, or smartphone.