Famed photogRussell Jamessays reality posed a hurdle forKendall Jenner's modeling career. "When we started out, I couldn't put my finger on what was different about photographing her," says James, who is fĂȘting the launch of his new, limited-edition book "Angels" -- featuring artful nudes of Jenner, Cindy CrawfordandCandice Swanepoel. "I said, 'You've got such exposure...