Coinciding with the start of the Democratic National Convention in Chicago, our friend Dan Weinberg, proprietor of the Abraham Lincoln Book Shop, is mounting an exhibition dealing with the Wigwam Convention of 1860, also held in Chicago, that nominated Abraham Lincoln for President. It is open to the public from August 20th to August 30th, 11am-4pm. The address is 824 W. Superior St., Suite 100. Tel. 312-944-3085.