NYC police on watch for Port courthouse bomber By Andy Smith and Stephanie Akin Staff writers New York City police are targeting a man who bombed Newburyport Superior Court 28 years ago, saying he poses a threat to next week's Republican National Convention. But an anti-war activist group has accused police of trying to "smear" their reputation by linking the group with the convicted radical who terrorized New England with a series of bombings in the 1970s. New York City police say Richard J. Picariello, 55, is among 50 activists whose criminal histories will earn them extra attention next week....