Tonight, to celebrate the 1,000th installment of his CBS talk show "The Late Late Show with Craig Ferguson," the host is taking the night off -- and turning over the program to his popular alter ego puppet, Wavy the crocodile or alligator. (Even Wavy isn't sure which.) As a TV concept, it's a blast from TV's most distant past -- but also a clear indication why Ferguson, in late-night TV terms, is the wave of the future...