Carlos Lago finally tests the most powerful production Ferrari yet: the 2014 F12 Berlinetta. Our brief drive of the 731-hp, V-12-powered machine in Italy last year simply wasn't enough. But now that it's stateside, we can strap our test gear to it and see how fast it can go in the hands of pro racing driver Randy Pobst at famed Mazda Raceway Laguna Seca.