IS it real or is it a metaphor?
That's what you'll be asking yourself tonight when "Grey's Anatomy" returns.
If you remember (and maybe it's best if you don't), the show last year took a turn for the worse. It went from being one of the best dramas on TV to plots as low rent as a bad daytime soap.
Tonight, through the miracle of modern medicine, the show comes roaring back with a plot that includes the, er, trauma of Seattle Grace Hospital being downgraded from the number two facility in the state to the number 12. And while "Grey's" itself never lost its lofty position in the Nielsen top 10, it did lose its position as TV's