Mike Mullen, the chairman of the Joint Chiefs of Staff, told Congress this week that he is drafting a new military strategy for both Afghanistan and Pakistan.
McEwan told PA he hoped his invention would help solve this problem, enabling ambulance staff to administer treatment before the patient arrives at hospital, and thus helping reduce the number of people affected by stroke.
Staff will seek further assurances this week after News International's chief executive Tom Mockridge told them he'd had a "personal assurance from Rupert Murdoch about his total commitment to continue to own and publish The Sun".