SAO PAULO, BRAZIL - OCTOBER 19:  (L-R) Mclaren Mercedes engineer Paddy Lowe talks with Charlie Whiting, the FIA Formula One Race Director and Safety Delegate as a mechanic cleans wheel following practice for the Brazilian Formula One Grand Prix at the Autodromo Interlagos on October 19, 2007 in Sao Paulo, Brazil.  (Photo by Mark Thompson/Getty Images)