Madison Ave. ad execs are so bent on taking control of America's children, they'd put computer chips in kids' brains if they could, Sen. Hillary Clinton said yesterday. Saying advertisers have found so many new ways to get at kids through video games and the Internet, Clinton warned that we're verging on a society out of a grim science fiction novel. "At the rate that technology is advancing, people will be implanting chips in our children to advertise directly into their brains and tell them what kind of products to buy," Clinton said at the Kaiser Family Foundation. The New...