VAYOTS DZOR PROVINCE, ARMENIA – The frequency of the ambulances starts to increase the further east you drive. It’s a sign of how bad the situation is. A mix of four-wheel-drive military trucks with red crosses and civilian ambulances are whisking away Armenian casualties in a steady trickle through the mountains. More than 200 soldiers and civilians have been killed here over the past two weeks; hundreds more have been wounded. It’s the most serious fighting between Azerbaijan and Armenia in...