Donald Trump told reporters at the White House that a new, unnamed drug had revived a patient who had been given the last rites, claiming 'we've taken people that were dead' during a press event on Monday 11 May as Dr Mehmet Oz looked on. The 79-year-old president, now back in the Oval Office, offered no name, data or manufacturer for the treatment, but insisted: 'We know the drug works.' The news came after years of controversy over experimenta…