Duluth, MN (KDAL) - This is the St. Patrick's Day weekend, but it also the start of the Annual Bockfest Celebration at Fitger's in Duluth.  Bock is a special beer that is brewed for the spring.  You drink it after have the beverage caramelized by a hot poker from an open fire.  Most activities take place at Fitger's on Saturday.  The blessing of the bock and the start of the celebration is at 5Pm on Thursday.