There are a number of reasons why you might be curious about this show. The main reason to see it is because it’s funny. Politics and humor go hand in hand but they don’t always add up to something really funny. Sometimes, it is sent to us by the Gods. What else explains Tina Fey as Sarah Palin? Sometimes, it is sent to us by Garry Trudeau. Yes, that Pulitzer Prize-winning cartoonist of “Doonesbury” fame. His humor is recognized as rather wry and dry. But for this series, he’s eased up a bit on the drollness. He allows his characters to breathe and, in doing so, has established a good extended rhythm for the small screen.