( October 23, 2023, 1:40 PM EDT) -- ANN ARBOR, Mich. — A federal judge in Michigan on Oct. 20 ruled that a plaintiffs’ expert in the litigation pertaining to the lead-contaminated water crisis in the city of Flint, Mich., can testify on lead exposure in the city and its effect on cardiovascular and reproductive health, but he is excluded from testifying about the implications of in utero exposure....