Martine Rothblatt, a 59 year old entrepreneur and space lawyer, is the highest paid female executive in America. She made $38 million last year as the CEO of United Therapeutics (UTHR); a $6 billion biotech firm she founded to find a treatment for pulmonary hypertension after her daughter was diagnosed with the disease. Rothblatt's compensation is based largely on stock performance. Last year, her company received FDA approval for a medicine they had been working on for 10 years. The stock more than doubled and Rothblatt's compensation rose by a multiple of four. “I think this [pay structure] is in...