Hamilton, at 38, is the second-oldest driver on the current F1 grid but his legendary career is set to be extended by a new Mercedes contract, which will likely take him into his 40s.But the seven-time world champion belongs to a generation older than most of the grid, including his teammate of two seasons, Russell.Russell was asked in an interview with Canal+ by Naomi Schiff: “Lewis is not going to race forever. “If you could pick your next teammate, who would you pick? And why?”Russell offered a glimpse into his mind-set by answering: “I’d pick Max. Because when I joined Mercedes…