Law school graduates are preparing to take the Illinois bar exam next month. Newly released scores from last July’s exam suggest there might be a few more re-takers than a year ago.The exam’s overall passage rate declined from 2017. Roughly 70 percent of 1,895 examinees passed the two-day exam in July, according to the Illinois Board of Admissions to the Bar. That’s down from a 74-percent passage rate in …