The Government has been condemned after refusing to release details of key email conversations involving leading scientists over the origins of Covid-19. This newspaper used Freedom of Information rules to obtain a cache of 32 emails about a secretive teleconference between British and American health officials held early in the pandemic. But officials blacked out almost every word before releasing the crucial documents. Before this discussion, several of the world’s most influential experts believed the new virus most likely came from a laboratory – but days later, the scientists began dismissing such scenarios as ‘implausible’ and branding them conspiracy theories....