New York society chronicler David Patrick Columbia is a little blue! He went out to lunch with Erica Jong the other day, and they talked about the YouTube videos about Henry Kravis and the tax-dodging mogul set. But lunch with Erica put him in a maudlin frame of mind, even though they went on to talk about Hillary Clinton. But how can one feel down when one receives such an amazing Christmas card from Dr. Sherrell and Muffie Potter Aston?