MONACO, June 5 : McLaren's cars looked the part in their special orange livery to mark their 1,000th Grand Prix but they were way off the pace in practice for the Monaco Grand Prix on Friday. Formula One world champion and winner last year Lando Norris was sixth fastest in the opening session and managed only eight laps in the second before his car broke down with an apparent electrical fault and had to be unceremoniously wheeled off the track on a trolley by marshals. Australian team mate