Top lawyers who helped the Obama White House craft and hold to rules of conduct believe President Donald Trump and his staff will break ethics norms meant to guard against politicization of the government — and they’ve formed a new group to prepare, and fight. United to Protect Democracy, which draws its name from a line in President Barack Obama’s farewell address that urged his supporters to pick up where he was leaving off, has already raised a $1.5 million operating budget, hired five staffers and has plans to double that in the coming months. They’ve incorporated as both a...