President Trump’s order to take out Qasem Soleimani was morally, constitutionally and strategically correct. It deserves more bipartisan support than the begrudging or negative reactions it has received thus far from my fellow Democrats.

The president’s decision was bold and unconventional. It’s understandable that the political class should have questions about it. But it isn’t understandable that all the questions are being raised by Democrats and all the praise is coming from Republicans. That divided response suggests...