Turn the top 7 career breakers for women into career makers Statistically, more than one-third of Fortune 500 managers are women-and yet we represent barely five percent of the top earners among executives. Usually, we blame it on men-those "old boy" networks that don't typically welcome women into "the club." But, according to leadership coach Rebecca Shambaugh, the real obstacle to women's advancement is not a "glass ceiling." It's...