What Government Program Would You Rank 'Most Harmful'?

What government program would you rank as the most harmful? (See story.)

Income Tax Withholding: 21.8%
Affirmative Action: 14%
Social Security: 13.6%
McCain-Feingold: 12.7%
Earmarking: 11.9%
Contraceptive Funding: 3.6%
Medicaid: 2.7%
Farm Subsidies: 2.5%
Medicare: 2.5%
Davis-Bacon Act: 1.1%

Other: 13.6%

Top write-ins included the welfare program and the Department of Education.