1. 66. Centers for Disease Control and Prevention, “Interim Smallpox Response Plan & Guidelines” (January 23, 2002), available at .
2. 16. See text accompanying notes 36–37 infra.
3. 31. Hammer v. Dagenhart, 247 U.S. 251 (1918).
4. 10. See text accompanying notes 66–78 infra.