President Trump’s decision to withdraw our few troops from the Syria-Turkey border area earned him considerable criticism from allies. Senator Lindsey Graham said the decision is “a catastrophe in the making.” Representative Lin Cheney said it’s “a catastrophic mistake.” Former UN Secretary Nikki Haley said, “We must always have the backs of our allies.” President Trump has answered these critics. The Kurds were engaged in a contractual relationship fighting the Islamic State (ISIS). They were well paid and equipped for their fighting, much like any mercenary group. Further, they were given three years to consolidate eastern Syria to feed their...