As special counsel Robert Mueller prepares his final report and Congress ramps up its own investigations, we soon will have answers to questions over collusion, obstruction, and Russian influence. Yet, President Trump may answer one of the most intriguing questions of all: Is it better to fight one horse-sized duck or a hundred duck-sized horses? New developments make it likely that Trump will fight a hundred duck-sized horses, in the form of alleged collateral crimes rather than collusion. None appears life threatening in their own right, so the real question here is what they will represent collectively during the next...