By Kira Hays / Reporter Keeping the St. Patrick’s Day tradition alive, Cassidy’s Irish Pub co-owner Michael Treiber is pulling out all the stops for this year’s Cassidy’s St. Patrick’s Day Block Festival. “It all started because, on St. Patrick’s Day, the pub would be at max capacity at 5 p.m. and we had to turn a lot of people away,” Treiber said. “That’s when I decided we needed to expand. We did, and now this year is going to be the biggest yet.“ Author Meagan Falcon The reporters and the editors of The Foghorn News are students at Del Mar…