Did Judge Brett Kavanaugh write the roadmap for saving ObamaCare? That question has dwelled at the center of passionate debate in the conservative legal community for days as Kavanaugh, a federal appeals judge in the District of Columbia, finds himself as one of President Trump’s four finalists for a place on the U.S. Supreme Court. The allegation from conservative critics is rooted in a 2011 ObamaCare case where Kavanaugh dissented against the ruling but acknowledged that the Affordable Care Act’s “individual mandate provision” could fit “comfortably within Congress’ Taxing Clause power.” Kavanaugh's detractors say that language helped provide the roadmap...