A 64-year-old man was shaking with nerves as he tried to smuggle almost £300,000 worth of a drug commonly known as monkey dust through the Channel Tunnel. Mechanical fitter Peter Harness told Border Force officers at Coquelles he was returning from a business trip in Holland when his VW Polo was stopped in November last year. But Canterbury Crown Court heard he was “visibly shaking” and could not hold his phone still as he tried to provide proof of his overnight stay. His anxiety then increased when officers searched his rucksack and beneath his clothes found 14 silver-taped packages. Each con…