Los Angeles exotic-car dealer Obi Okeke was sound asleep when his phone rang one day at 3 a.m. last year. It was Floyd Mayweather. The undefeated welterweight champ had a mission for his trusted dealer: Have a Bugatti Veyron sitting in the driveway of his Las Vegas mansion in 12 hours. It was time for Dr. Bugatti, as Okeke is sometimes called, to perform a miracle. So Okeke jumped in the shower and headed to Fusion Luxury Motors, the Chatsworth, Calif., store he opened in 2012 and co-owns. He checked his notes, hopped on a plane, secured the car and drove it to Mayweather himself. And he did it in 11 hours. Okeke born in Nigeria to a Nigerian father and an American mother migrated to the United States in ... due to the effects of the civil war. He started his career as a Chevrolet dealer in 1987 and eventually moved on to manage stores for Mercedes-Benz, Lexus, BMW, Ferrari and Maserati before he started his own. Okeke, 53, talks about him self and his rela...