Dexter still a killer drama

Today's column previews the new season of "Dexter":

This time of year, I get a lot of "So what's good on TV?" chitchat when I'm at parties. I rattle off the usual suspects, both new ("Reaper," "Pushing Daisies," "Mad Men") and older ("The Office," "Friday Night Lights"), then inevitably make the mistake of bringing up "Dexter."

"Oh, what's that?" they'll ask.

"It's this drama on Showtime," I'll explain, "about a guy who works as a police scientist by day, and at night as a serial killer who only hunts other serial killers."

At this point, they'll start taking two steps back and looking frantically for someone -- anyone -- else to talk to, while I smile blandly and insist, "It's really good!"

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