On April 19, this nation’s most respected legal minds will focus their collective energy on a playground in Missouri. The outcome of the case — Trinity Lutheran Church v. Pauley — could determine whether the government can exclude religious nonprofits from public benefits solely because they are religious, which is why scholars such as Harvard Law School professor Noah Feldman are calling the case “one for the history books.”

Thus, while the subject matter may seem “playful” for a case before the United States Supreme Court, the legal implications are anything but.