Getty Images/Justin SullivanExplaining Hillary Clinton has long been a thriving subculture in American punditry. After New Hampshire, there’s a new wrinkle: Why are young women abandoning her? As a Wellesley College student in the late 1960s, Hillary Rodham exemplified a brash new model of the young woman activist. Her unscripted graduation speech blasting the commencement speaker – her former mentor and lone black United States senator, Edward Brooke – drew national attention. But this week, Clinton lost most of the women's vote in her 22-point defeat to Sen.