Democrats are seizing on the Trump administration’s push in court to overturn ObamaCare’s protections for people with pre-existing conditions, hoping to leverage the issue ahead of November’s midterm elections as some Republicans rush to distance themselves from the move. The Department of Justice’s (DOJ) decision to join a legal battle arguing that one of the most popular parts of ObamaCare should be struck down is being viewed by Democrats as a political gift, with the party apparatus quickly using the issue to attack GOP candidates and rally their base. Ever since the DOJ joined 20 GOP-led states last week in...