Mayor Emanuel on Walgreens' new office in Old Main Post Office

Video by Ashlee Rezin | Mayor Rahm Emanuel and Alex Gourlay, president of Walgreens, hold a press conference in the Old Post Office Building, 433 W. Van Buren St., where the company will take over a 200,000-sq.-ft. office space with about 1,800 employees, by fall 2019, Monday afternoon, June 18, 2018.