Residents of Newburyport and beyond take any chance they can get to celebrate their town--no excuse needed. From the first blush of spring to the dog days of August, to even the chill of an October twilight, there is no shortage of festivals and celebrations to join all year round. SPRING Newburyport Literary Festival April For a so-called “quiet seaside town,” Newburyport has been home to such renowned voices in literature as John Greenleaf Whittier, Edna St. Vincent Millay,