Are construction unions losing leverage in NYC?

From the March issue: In the 1970s, union members had a monopoly on New York City’s skyline. At the time, card-carrying union workers made up a stunning 90 percent of the city’s construction workforce. Not surprisingly, that number is down significantly today. The latest stats peg the nonunion market share at 40 percent — and some say it may be as high as 50 percent. [more]