Red Bull driver Daniel Ricciardo of Australia steers his car during the first free practice at the Monaco racetrack, in Monaco, Thursday, May 22, 2013. The Monaco Formula One Grand Prix will be held on Sunday. (AP Photo/Luca Bruno)
Red Bull driver Daniel Ricciardo of Australia laughs in tyne pit during the second free practice at the Monaco racetrack, in Monaco, Thursday, May 22, 2013. The Monaco Formula One Grand Prix will be held on Sunday. (AP Photo/Luca Bruno)
Mercedes driver Nico Rosberg of Germany gesticulates at pits during the second free practice at the Monaco racetrack, in Monaco, Thursday, May 22, 2013. The Monaco Formula One Grand Prix will be held on Sunday. (AP Photo/Luca Bruno)