Mitchell, who was the U.K.’s international development minister until his Conservative Party lost power last year, said cutting aid to pay for defense was “a terrible, terrible mistake.” He argued that soft power is much cheaper, and often…

Mitchell, who was the U.K.’s international development minister until his Conservative Party lost power last year, said cutting aid to pay for defense was “a terrible, terrible mistake.” He argued that soft power is much cheaper, and often…