Isolationist sentiments don't prevent DeLay and Co. from saber-rattling; and given the belligerent stands they often take toward countries like China or Cuba, petulant unilateralists might be a better term for them.
DeLay and the others aren't afraid to disregard isolationist preferences in favor of saber-rattling.
At an earlier period, this same adventurous philosopher briefly affected the softly stubbled face, and still earlier the quarter-inch-long haircut then uncommon even at the margins, except in military school.