The feud between late-night talk show host David Letterman and Alaska Governor Sarah Palin is no laughing matter. The latest Rasmussen Reports national telelphone survey finds that nearly two-thirds of American adults (64%) say it’s inappropriate for comedians like Letterman to joke about the children of public figures.

Children have been starring on television from Day One, but their presence on two reality shows - one already a hot hit, the other a hit in the making - have Americans wondering if the children are being taken advantage of.

Conan O'Brien officially replaces Jay Leno as host of NBC's "The Tonight Show" today, but Johnny Carson is still the king of late-night comedy.