How the Federal Government Could Use Conditional Spending to Force the Removal of Times Square Billboards

The Volokh Conspiracy links to Marc Scribner's writing on the bad laws behind the threat to Times Square's Billboards:

Marc Scribner explains why the threat to Times Square’s billboards is not the fault of the Obama administration or Transportation Department bureaucrats. Rather, it “is a classic example of Congress passing stupid laws, ordering regulators to implement them stupidly, and then forgetting about them until unintended consequences spring up down the line.”