Dear Friends: Merry Xmas, Happy Chanukah and Feliz Navidad: I am so happy to welcome you to our annual Christmas card. Retirement is such a bitch, y'all. I'm so glad we've stayed together all these years and didn't get divorced like most of our friends who are still working -- at age 55. Just imagine. Poor souls. Somebody really should have introduced them to the Wealthy Barber, who was our neighbor in the Glebe. We recently sold that old pile on Second Avenue, the one with the drafty attic where we put up a number of MPs while they were in town. Boy, I miss those days. Wine and cheese on the back deck. Mini-golf in the backyard. But the place was just too big for us now that the kids have entered into their Ivy League years. We've bought a condo not far from the old homestead and we like to stay up at the cottage, just fishing, reading and watching the stars. I'm so glad we invested in real estate in Quebec back in the 70s when we first got married j...