Filed under: Disney, Fandom, Exhibition, Remakes and SequelsThe Letterman Digital Arts Center, on the green and lush grounds of San Francisco's Presidio, looks like just one more office complex among the Bay Area's many high-tech companies -- until you notice the statue of Yoda atop the fountain out front. In late October, Cinematical and other websites and newspapers were invited to the Letterman Center to get a glimpse into the making of Pirates of the Caribbean: At World's End thanks to...