Pro-business Supreme Court could hobble labor movement's momentum

The campaign to organize Starbucks workers helped galvanize a labor resurgence in the U.S., but those efforts hit a roadblock Thursday: the Supreme Court.Why it matters: There’s a lot of momentum in labor’s favor these days — positive public sentiment, an energized grassroots, a supportive White House — but the most pro-business court ever threatens to hobble it.Driving the news: The high court voted 8-1 in favor of Starbucks in a case the company filed against the National Labor Relations Board involving the so-called Memphis 7, a group of unionizing workers who said they were…