Teresa Heinz Kerry, wife of US Secretary of State John F. Kerry, was taken to a hospital on Nantucket this afternoon, according to a person close to the family. Heinz Kerry, 74, was stricken with an unspecified medical condition while at the family’s vacation home on the island, said the person, who asked not to be named. Her husband was at the home at the time. An ambulance was seen leaving the home on Hulbert Avenue at about 4 p.m., the person said. Noah Brown, public information officer for Nantucket Cottage Hospital, said Heinz Kerry arrived at the hospital this...