Architecture footnote: For goodness sake, says Carol Vinzant in Slate, put the Sears Tower on the Illinois quarter! As Vinzant observes in a detailed breakdown of quarter designs, most states favor tacky, vague references to icons from their colonial or frontier history. Why not emblazeon the loose change with the majestic silhouette of one of America's proudest skyscrapers? (Here are my Sears pictures.)