On Saturday night, an hour after a peaceful protest of 1,000 or more in the Loop disbanded, a smaller group battled with police — breaking a dozen storefronts in the heart of the commercial district.
But store owners worked through the night to clean up the damage, and by morning, artists began to mobilize. By Sunday afternoon, the plywood boards covering broken windows on Delmar were becoming works of art.
In their activity on Sunday, the artists were following a game plan that came together during the unrest three years ago in Ferguson.…