By Andrew A. Smith Scripps Howard News Service Feb. 2, 2010 -- A lot of comics fans say they have “event fatigue,” meaning they’re tired of sprawling, company-wide storylines. If so, I hope that doesn’t put them off “Siege,” a sprawling, company-wide storyline that began at Marvel Comics in January. However, if you believe the company hype, “Siege” actually began seven years ago with an event ca…