The war has record low approval ratings, even among Trump's base.
1. https://www.newyorker.com/magazine/2007/03/19/imaginary-frie...
The US Army becoming Israel’s strike force, at the hands of rapist, what a time to be alive
The war does, Trump does not. He maintains very strong support among the base, and that is the part keeping the GOP politicians in line. It is why some of them just resign instead of enduring the threats from his supporters.