It's one of the nation's great mysteries: The first permanent colony of English settlers in what would become the U.S., founded in North Carolina in 1587 by Sir Walter Raleigh, disappeared three years later with virtually no trace. Now, archaeologists hope a new search for the Lost Colony will unearth clues about what happened to 117 men, women and children who vanished and were never seen again. The First Colony Foundation, a group of archaeologists, is partnering with the National Park Service for a series of digs beginning this week at the Fort Raleigh National Historic Site. "This dig includes...