BOSTON - On the last weekend of June, a local tradition returns to a North Shore town, a free art show takes place in Waltham, a film festival begins in Roxbury, and picnic nights start to be held in Lincoln.It's all part of this weekend's To Do List.ST. PETER'S DAY FIESTAA beloved Gloucester tradition returns for the first time since 2019, with events taking place throughout the weekend.On the schedule during the five-day St. Peter's Fiesta: parades, boat races, and the blessing of the fleet. But for many people, the highlight is the greasy pole contest with brave competitors attempting...