Gibbons v. Ogden

See the following -

Obamacare, The Constitution, And The Original Meaning Of The Commerce Clause

William J. Watkins | The Christian Science Monitor | December 21, 2010

Several lawsuits over the health-care reform's individual mandate hinge on interpretations of the constitution's Commerce Clause. This clause is widely believed to grant Congress broad power over national markets. But that isn't what the founders had in mind. Read More »