In today’s economy, looking good is no longer something we can dismiss as frivolous or vain. How beauty can affect your job, your career, your life. Most of us have heard the story of Debrahlee Lorenzana, the 33-year-old Queens, N.Y., woman who sued Citibank last month, claiming that, in pencil skirts, turtlenecks, and peep-toe stilettos, she was fired from her desk job for being “too hot.” We’ve also watched Lorenzana’s credibility come into question, as vintage clips of her appearance on a reality-TV show about plastic surgery portray a rambling, attention-obsessed twit, stuffed to the brim with implants and collagen....