I think the President of the United States must operate by rules. I think our judicial system must operate by the rules. You have to operate by the rules of the system, and if you don't, if you pull rank, then you lose all your credibility.
If pro-abortionists want to commit intellectual suicide and deny scientific facts, that's their problem. But there's no reason a civilized society should fund their anti-scientific outlook - or accept its inhumane consequences.