How Jenna Lyons got too big for J. Crew's britches

For more than a decade, she was the most influential force in fashion -- "the woman who dressed America," said the New York Times. At 6 feet tall with her thick black eyeglass frames, deep-parted ponytail and orange-red lipstick, Jenna Lyons cultivated a signature look, iconic as Karl Lagerfeld's black-and-white Victoriana suits or Anna Wintour's...