The Voting Rights Act gives the federal government the power to oversee any changes in voting procedures in states and jurisdictions with a history of voter discrimination.
In defending the constitutionality of the Act, the federal government relies upon the Commerce Clause of the Constitution as the enumerated power supposedly delegating authority to the federal government for this regulatory compulsion.
The word still appears in some parts of federal law - a section of financial regulation, for example, addresses the power of a bank to act as a "committee of estates of lunatics".
State regulators have never been to happy about the prospect of ceding their authority to site power lines to federal officials, but they have learned to live with the guidelines set forth in the Energy Policy Act of 2005.