News Roundup: Statehouse measure may block radioactive water dump; sharks close ACK beach

This week: A measure that could block the dumping of radioactive water into Cape Cod Bay is being considered as an amendment in budget negotiations at the statehouse; local activists are watching its progress. Also, sharks close Great Point beach on Nantucket. And: catching a flight from Logan? For the next two months, you’ll want to leave plenty of extra time.