kate moody joins us. ceo of starbucks is in hot water as he faces accusations of unionbusting. >> labor unions have largely lost their luster in the united states over the last 50 years or so. just about 11 percent of american workers are represented at the moment. a growing number of starbucks employees, though, have voted to form unions in recent months. nearly 300 of its american branches. starbucks has yet to reach a contract agreement with any of its locations that have voted to unionize. the coffee chain's ceo faced sharp criticism from senator bernie sanders, an outspoken champion of labor rights, in a long-awaited showdown on capitol hill. >> do you understand that in america, workers have a fundamental right to join a union and collectively bargain to improve wages, benefits, and working conditions? do you understand that? >> i understand and we respect the right of every partner who wears a green apron, if they choose to join a union or not. >> will you make a promise to this committee that you