The 1 chart that reveals just how grossly unfair the U.S. tax system has become

In 1950, corporate taxes were high and payroll taxes were low. In 2010, it was the complete and total opposite. Tim Cook, CEO of Apple testified Tuesday on why $102 billion in an offshore account isn't tax avoidance, but ingenuity. Apple is fully within U.S. tax law, so do we get mad at Apple for doing it, or do we get mad at the system that allows Apple to do that?