(June 1, 2018, 4:00 PM EDT) -- MILWAUKEE — A federal judge in Wisconsin on May 16 ordered several affirmative defenses asserted by the former makers of lead-based paint withdrawn in a lawsuit brought by Wisconsin residents who argue that the companies are liable for injuries they sustained from exposure to leaded paint (Glenn Burton v. American Cyanamid, et al., No. 07-0303, E.D. Wis.)....