The Washington Post has a new nugget today in the story of the impressive spending habits of W. Richard West, Jr., retiring director of the Smithsonian National Museum of the American Indian. In addition to the $250,000 in public money he used for luxurious travel expenses we noted last week, the Post reveals West commissioned a $48,500 portrait of himself (pictured left) that hangs in the patron’s lounge of the museum. Some would argue that…