Scheduled to go before the cameras soon is a Frank Sinatra Enterprises epic obligingly titled (in return for a Pepsi-Cola national publicity plug) For Those Who Think Young. The stars are Sinatra and Martinnot Frankie and Dean, oddly, but a pair called Nancy and Claudia. Nancy is 23, Claudia 19, and the very thought of their names in lights makes the whole Clan feel old.
A lot of other Hollywood citizens have reason to feel old this season.
Suddenly the desks of casting directors seem awash with the names of celebrities' kids bent on...

