Decorated former General David Petraeus has identified how Ukraine can win the war with Russia - but says it could take a well-executed treble strike to take victory Russia can be sent packing from Ukraine if they unleash explosive underwater drones, a leading former US General has claimed. After provocations that are said to have made war "inevitable" with western Europe unless measures to deter Vladimir Putin are taken, retired David Petraeus - who led wars in Iraq and Afghanistan - believes