Doyle McManus: Republicans are divided over foreign policy. That's good for the country — and for the GOP

Last week, eight Republican presidential candidates did something unusual: They held a serious debate about foreign policy, focused mostly on their disagreements over U.S. aid to Ukraine.

Of those on the stage in Milwaukee, only two — Florida Gov. Ron DeSantis and upstart capitalist Vivek Ramaswamy — said they oppose additional help for Ukraine as it fights to repel the Russian invasion.

"Ukraine is not a priority for the United States," Ramaswamy said.

DeSantis hedged his answer, saying he would, who skipped the debate, has sounded similar notes.