From top left, Marussia driver Timo Glock of Germany, Lotus driver Romain Grosjean of France, Caterham driver Heikki Kovalainen of Finland, and on left down McLaren Mercedes driver Lewis Hamilton of Britain, Mercedes Grand Prix driver Nico Rosberg of Germany and Ferrari driver Felipe Massa of Brazil attend a news conference ahead the Bahrain Formula One Grand Prix at the Formula One Bahrain International Circuit in Sakhir, Bahrain, Thursday, April 19, 2012. For Bahrain's embattled rulers, the return of the Formula One race is a chance to rebuild their credibility on the world stage although it also highlights protests amid the longest-running clashes of the Arab Spring. The Bahrain Formula One Grand Prix is scheduled to take place here on upcoming Sunday.