The conservative law firm Wisconsin Institute for Law and Liberty has asked the Elmbrook School District to remove sexually explicit materials from its online library. In its letter to Elmbrook School District Superintendent Mark Hansen, the firm requested the removal after the parent of a 16-year-old Elmbrook student used the student's school-issued Chromebook to access a school-sponsored app, Sora, that makes the district's ebook and audiobook collection available to students and adults. The parent confirmed access to the sexually explicit material, the letter said. WILL said there is material containing graphic instructions on sex acts and the use of online...