Sen. John McCain insists Sen. Rand Paul is an isolationist . The Arizona senator has been a vocal critic of the Iran nuclear deal and recently said he would vote against it if Congress passed it. Paul has been `` doing somersaults '' after ISIS beheadings of Westerners . Dick Cheney also has been critical of Paul on foreign policy . Paul , a possible 2016 GOP presidential candidate , denies switching foreign policy views .
Sen. John McCain insists Sen. Rand Paul is an isolationist . McCain : Paul has been `` doing somersaults '' after ISIS beheadings of Westerners . Dick Cheney also has been critical of Paul on foreign policy . Paul , a possible 2016 GOP presidential candidate , denies switching foreign policy views .