The pointed exchanges among Republican presidential candidates and lawmakers about the U.S. commitment to Ukraine is a reminder that some policy debates never end. Like the one over U.S. overseas commitments.
This renewal comes a year before President Joe Biden will preside over the 75th anniversary of the North Atlantic Treaty Organization and the alliance that has protected the West since the aftermath of World War II is helping Ukraine resist the Russian invasion.
And it echoes the domestic debate that took place in 1951 when the United States was considering sending U.S. ground troops back to Europe to bolster the nascent military-political organization.