As summer approaches, Chicago will host numerous farmers markets. Some locations are staples of the outdoor market scene, while others, such as the Wheeler Mansion Market, will debut this year.Wheeler Mansion, 2020 S. Calumet Ave., is a historic boutique hotel located in the South Loop’s Prairie District. The mansion will hold its first market from 4 – 8 p.m. June 6. The market will open every Wednesday through Oct. 31....