Welcome to New Contributor Kevin Heller

As we relaunch Opinio Juris at our new site, we are all extremely pleased to welcome our newest permanent blog contributor, Professor Kevin Heller. Since we began our blog just over a year ago, Kevin has been a valuable commentator, informal adviser, and friend to Opino Juris. As our readers have noted, he has been a terrific guest writer over these past few weeks. We look forward to a long collaboration. Please join me in welcoming Kevin to the team!