§ 14501(c)(1), which provides that “a State [or] political subdivision . . . may not enact or enforce a law, regulation, or other provision having the force and effect of law related to a price, route, or service of any motor carrier . . . with respect to the transportation of property,” contains an unexpressed “market participant” exception and permits a municipal governmental entity to take action that conflicts with the express preemption clause, occurs in a… [read post]