The US is fighting Netanyahu's war. The Israeli lobby in Washington is very powerful, and Trump will do whatever Netanyahu tells him to do. The list of strategic benefits for the US is very short, while the costs are enormous.
Cites books by Mearsheimer/Walt and O'Rourke on the failure of US regime change attempts, predicting this will also end in disaster. Warns of massive long-term political costs and creating enemies in the Muslim world.