Each Christmastime, Peoria cozies up to Dan Fogelberg. The feeling might be hard to explain outside folks from his hometown and longtime fans of the singer-songwriter. Both of those groups fondly know of Fogelberg's love of Christmas. Plus, for them, there's a heady mix of emotion automatically fostered by December, which twice played a key role in Fogelberg's life. The month served as the setting for his poignant "Same Old Lang Syne," released 17 years before his death on Dec. 16, 2007. In