A month ago, I went to Maryland to see my ailing mother. I learned from friends that Baltimore has a terrible police shortage. They need 1,100 but have only 500 officers. It's happening because the political class is failing to let the police do their job.Well, something has to give, because local businesses are threatening to hold back money. This is the story:More than three dozen businesses in Baltimore's Fells Point are threatening to withhold tax and permit payments amid "chaos and lawlessness" that they say has been "going on for far too long," according to local reports.The coalition of...