NEW YORK -- Like so many women, Suzanne Holstein, a schoolteacher and mother of two, has had her struggles balancing motherhood and career. So she was sympathetic when she heard that ABC anchor Elizabeth Vargas, a woman she admires, was stepping down from her prestigious evening-news perch to focus on her growing family. And yet, like many women across the country, Holstein is not only a little disappointed by Vargas' move, but a little suspicious. "I can't believe that a woman who's worked so hard to get where she is would just resign like that," says Holstein, 39. "I think...