It's always fun to write your name on things -- chalkboards, diplomas, speeding tickets, yellow snow you know, the usual. The folks at Boeing couldn't agree more, which is why they tasked 747-8 pilots with writing the jet's name in the sky on a flight test across the US. What could be called the "747-8 wuz here" mission is designed to test the outer limits of the jumbo jet in a max endurance operations test. Taking off yesterday morning from Seattle's Paine Field, the jet flew across 18 states in a 747 pattern until it landed on the west coast a l