Graham RahalIndyCar Driver Graham Rahal has been coming into The Freak Nation for more than a decade. So when we talked with him Sunday night it was like talking with an old friend. Rahal was at pre-season testing at Weathertech Raceway, the old Laguna Seca, in Northern California. He’s eager to get the 2019 season underway with a new IndyCar series sponsor, new teams in the sport, and new excitement among IndyCar fans. He also had some comments about a favorite Freak idea, combining an IndyCar weekend with another sport like NHRA drag racing. Listen…