Taxi-industry lobbyists have been working hard to get Chicago to hobble or ban popular ridesharing services such as UberX and Lyft, but they haven’t gotten very far. The problem: these services are just too popular. Aldermen have been overwhelmed with calls and emails from Chicagoans asking them to leave ridesharing alone. So now the taxi...

In February, Chicago Mayor Rahm Emanuel’s office proposed an ordinance that would force popular ridesharing services such as Uber and Lyft to severely change the way they do business, if not shut down entirely. We pointed out some of the proposal’s many serious problems, and Chicago aldermen reported thousands of people emailing them asking them...