Washington It was like "The Canterbury Tales." That's what it was like last Saturday, in LaGuardia Airport, on the shuttle to Washington packed full of people going to the inauguration of President Obama. A handsome, affluent black woman in first class—fur hat, chic silver jewelry—laughed on a cell phone as a businessman—tall, black, middle aged—hurried down the aisle in black overcoat and Burberry scarf. A young man in slouchy jeans and dark watchman's cap, iPod buds in place, nodded, in coach, to the tune in his head. Two young white men in beige cowboy hats and grey fleece jackets came...