Rosberg fastest as F1 returns to Mexico

By Alan Baldwin MEXICO CITY (Reuters) - Nico Rosberg set the fastest time for Mercedes in Mexican Grand Prix practise on Friday as large crowds welcomed Formula One back to the country after a 23-year absence. The German, who is fighting for second place in a championship already won by team mate Lewis Hamilton, lapped the Hermanos Rodriguez circuit with a best of one minute 21.531 seconds. Red Bull's Daniil Kvyat and Daniel Ricciardo were second and third on the timesheets with rain falling lat