...it's a conservative interpretation of the laws and the Constitution, seemingly rejecting the FGM law on state's rights grounds and narrow interpretation of the rights of the federal government.

Not sure why you think the solution is to have "Trump get the Democrats to see the error of their ways." I'd be most Democrats would oppose this ruling, and support the law. As I would.

Surprised they didn't try to attack the law based on laws defending religious rights, that is, if they could show such mutilations to be part of the Muslim religion. Not sure whether they could do that, but again, it's the sort of thing Republicans would usually support.

I hope something can be done to stop this disgusting procedure, but you seem to be barking up the wrong tree.