Donald Trump’s took up the subject of foreign policy Monday, in another attempt to add policy ballast to the listing ship that is his campaign. This is an urgent need for he is falling farther and farther behind Hillary Clinton in public opinion.

His speech contained oddities, such a promise that his vetting of refugees would be “extreme,” attributable to rough Trumpian use of language. What he meant is that he’d scrutinize refugees very carefully, which is a good thing, given that Islamic State has used refugee flows to infiltrate terrorists into enemy terretory.