LAS VEGAS : It is business as usual for Mercedes and Lewis Hamilton at the moment but emotions will no doubt kick in as the Briton's move to Ferrari next season edges closer to becoming a reality, Mercedes team boss Toto Wolff said on Thursday. Ferrari team boss Fred Vasseur did not ask for the seven-times Formula One champion Hamilton's early release, and Wolff said the sport's most successful driver will get a proper send off after 11 years behind the wheel for Mercedes. "There is no