The nonprofit sector has experienced immense growth in the last decade. Today, more than three million tax-exempt entities nationally employ nearly 25 percent of all workers in the United States. In addition, more than 20 percent of all securities are held in tax-exempt employee plans. Nonprofit organizations play an increasingly central role in providing our communities with needed services and amenities. Without nonprofit organizations, our communities would lack many of the cultural, educational, religious, research and philanthropic initiatives upon which our citizens...