If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.
The president, just as any other American, deserves a legal defense against personal lawsuits not related to his office. But the costs of that defense should be borne by him and not the taxpayer.

