The last time a Philadelphia professional sports team won a championship, Ronald Reagan was in the White House and Return of the Jediwas number one at the box office. No city with all four major sports -- football, basketball, baseball and hockey -- has gone longer without a championship. The local NFL franchise, the Eagles, has not won a titlesince 1960, putting its devoted fans through decades of futility and heartbreak. But finally, in 2004, following...