McLaren Formula One drivers Jenson Button (R) and Lewis Hamilton of Britain speak during a news conference for the 2010 British Grand Prix in London July 6, 2010. The Formula One title battle between Button and Hamilton could boil over in Sunday’s British Grand Prix, former world champion and fellow Briton Damon Hill said on Monday. REUTERS/Suzanne Plunkett (BRITAIN – Tags: SPORT MOTOR RACING)