. >> suarez: chicago mayor rahm emanuel greeted students and faculty at frederic chopin elementary schools morning, as the nation's third largest school district went back to work. >> good morning, mr. mayor, how are you. >> suarez: the welcome back for some 350,000 students and more than 26,000 teachers and support staff, followed a seven-day strike, the first by the chicago teachers union in 25 years. but tuesday evening, some 800 union delegates cheered after a nearly unanimous vote to end the strike. >> we got what we wanted. that's what it seems like. i'm just glad we're going back to work that's all. >> suarez: two days earlier, the delegates had balked at returning to work, as they demanded more time to study the tentative deal. but union president karen lewis welcomed the ultimate outcome last night. >> we feel very positive about moving forward. we feel grateful that we have a united union and that when a union moves together, amazing things happen. >> suarez: leaders of the city's public school district also struck a celebratory note at their own news conference. public school c