Kimberly Wehle, professor in the University School of Law and a former official in the U.S. Department of Justice, is on a mission. It’s not a mission with an easily articulated goal: Win the argument. Defeat the enemy. Take the territory. Instead, with an organic purposefulness that only happens when a passionate, skilled individual sets her mind to something, Prof. Wehle has become a leading voice in a national, even global, conversation about the growing concern that the tenets of American democracy, articulated in the U.S. Constitution, are becoming frayed.