Arriving into the Silverstone paddock on Sunday morning, Christian Horner was one of the very first people I saw. The Red Bull hospitality unit is the very first you see on your right when entering the paddock from the nearest entrance to the bus stop for the inner circuit shuttle. There was a light drizzle at the time, the opening salvo from the clouds above which caused rain-soaked havoc for the British Grand Prix . Horner was sitting at the window of his office, which was wide open,