The construction crew refers to it as "The Mobile Home." Others say it looks like a Star Wars diner. A shuttle pod on stilts. At night, the futuristic gleaming silver-and-glass structure on the southern bank of the Arkansas River actually resembles a guitar fret board. Elvis lives. "A glorified house trailer," former President Bill Clinton joked at a luncheon here yesterday to kick off the dedication of the William J. Clinton Presidential Library. "That's me. I'm a little red and a little blue." (snip) And what better site to store his legacy — tarnished or not — than a scruffy,...