Will Unions Batter Starbucks Profits? Photo by Tim Boyle / Getty Images After years of anger and ugly relationships between unions wanting to organize workers in U.S. stores and Starbucks Corp. (NASDAQ: SBUX) management, the two have decided to sit at the bargaining table. If other recent union negotiations, like those between Detroit’s automakers and the UAW, are any indication, the costs of hourly wages at Starbucks will soar.It isn’t hard to make a strong case that Starbucks underpays workers. That is ...