DA: Cosby jurors to hear about 'a lifetime of sexual assault on young women'
Actor Bill Cosby speaks at the National Action Network's 20th annual Keepers of the Dream Awards gala in New York April 6, 2011. (REUTERS/Lucas Jackson)

NORRISTOWN, Pa. — One met Bill Cosby while working as a flight attendant in the 1960s. Many were aspiring models or actresses sent to him in New York, Los Angeles or other cities. But each of the 13 accusers who prosecutors hope to call as witnesses at Cosby's trial next year share a central experience, government…