IOWA CITY — A Michigan physician who played a major role in uncovering the water crisis in Flint, Mich., will be at the University of Iowa next week.Dr. Mona Hanna-Attisha, pediatrician and founder of a public health initiative to address the effects of elevated lead levels in Flint, will be in Iowa City to give a public lecture Monday.Hanna-Attisha will speak at 7 p.m.