LAS VEGAS :Lewis Hamilton was fastest for Mercedes in Las Vegas Grand Prix practice on Thursday while Formula One leader Max Verstappen ended the night only 17th and said his Red Bull felt like driving on ice. McLaren's Lando Norris, who can keep Verstappen waiting for a fourth successive title if he scores three points more than the Dutch driver on Saturday night, was second fastest in the second session. Mercedes' George Russell completed a British one-two-three on the timesheets. "It was