LONDON :Formula One championship leader Lando Norris would once have been upset to be booed on the podium but now McLaren's title frontrunner is in the zone and completely unbothered, according to team CEO Zak Brown. Australian teammate Oscar Piastri, 24 points behind the Briton with three rounds remaining going into the weekend's Las Vegas Grand Prix, is also fully focused and ready to fight for the title. "Oscar's definitely fighting back," Brown told Reuters. "I think one of his greatest