It’s not really any direct support of President Trump.
War is good for business. The political class likes wars.
Yes. some Republican senators have found their spines.
And sime like Rand Paul who take the opportunity to virtue signal when it wont affect the outcome.
“Hi Dad! See what I did there?”
CNN article on the subject:
41 Republicans vote against Iran amendment, effectively blocking bill
https://www.cnn.com/2019/06/28/politics/iran-amendment-senate-republicans/index.html
Good! The Republicans prevailed against the anti-American left and the handful of fakes who betray us for it.