Thank goodness Nickelodeon executives are reacting responsibly to the news that 16-year-old Jamie Lynn Spears - star of the network's tween hit "Zoey 101" - is pregnant. Of course, I don't mean the TV big suits decided to cancel her show and stop promoting an unwed teen as someone to emulate. Oh no. The cancellation of the series would cost millions, especially since next year's season has already been filmed. So, of course, canceling is not an option. Instead, Nickelodeon bigwigs are considering airing a special for its young viewers "that would focus on issues of sex and love," according...