WOW! This is powerful stupid.
To correct Ms. Burnett, considering the tax burden rather than just the highest marginal rate, as a Center on Budget and Policy Priorities report found, "Corporations in 19 of the member states of the Organization for Economic Co-operation and Development paid 16.1 percent of their profits in taxes between 2000 and 2005, on average, while corporations in the United States paid 13.4 percent."
For Further Reading:
Corporate Tax Avoidance in the States
Corporate Tax Decline & U.S. Inequality
Double Taxation Double-Speak
How Progessive is the U.S. Federal Tax System?
Most Firms Pay No Income Tax