This section also seems pretty interesting:
"Perez, 402 U. S., at 154 (“Where the class of activities is regulated and that class is within the reach of federal power, the courts have no power to excise, as trivial, individual instances of the class” (emphasis in original; internal quotation marks omitted)); Wickard, supra, at 125 (“[E]ven if appellee’s activity be local and though it may not be regarded as commerce, it may still, whateverits nature, be reached by Congress if it exerts a substantial economic effect on interstate commerce”); NLRB v. Jones & Laughlin Steel Corp., 301 U. S. 1, 37 (1937) (“Although activities may be intrastate in character whenseparately considered, if they have such a close and substantial relation to interstate commerce that their control is essential or appropriate to protect that commerce fromburdens and obstructions, Congress cannot be denied thepower to exercise that control”);"