The Evil Freak

Even interventionists are regretting some of the wars into which they helped plunge the United States in this century.

Among those wars are Afghanistan and Iraq, the longest in our history; Libya, which was left without a stable government; Syria’s civil war, a six-year human rights disaster we helped kick off by arming rebels to overthrow Bashar Assad; and Yemen, where a U.S.-backed Saudi bombing campaign and starvation blockade is causing a humanitarian catastrophe.

Yet, twice this century,...