Look up. Waaaaaaay up. If the weather cooperates — and if you've got a decent telescope or truly astonishing eyesight, you might just catch a glimpse of history in the faint contrail of a high-flying jet on Monday. At the controls of that jet will be one man, trying to crack arguably the final major aviation milestone: to fly around the world, alone, in a single non-stop flight. "This is the last great aviation record to be had," said Lori Levin, spokesperson for the Virgin Group, sponsor of the flight. "No one has ever flown solo around the world (non-stop)."...