The Commerce Clause grants Congress power to regulate channels, instrumentalities, and activities substantially affecting interstate commerce (Lopez, Morrison, Raich). These articles cover the affirmative power, the Dormant Commerce Clause (discriminatory vs. evenhanded state laws under Pike balancing), and the market participant exception.
Master Commerce Clause analysis for the bar exam. Learn the three categories of regulable activity, Dormant Commerce Clause tests, and preemption -- with cases and practice triggers.