IndyCar driver Graham Rahal is a long-time Friend of the Freaks but his visit Sunday night was a sobering visit. His Tweet last week triggered worldwide participation in an on-line auction to raise money for the family of the late driver Dan Wheldon. Contributions to the auction are even coming from outside the motor racing community. Professional athletes in baseball and football have joined in the contributors. The auction starts Monday through www.DanWheldonMemorial.com website. Rahal also talked about a meeting Monday that will hear candid suggestions from IndyCar drivers on the issues of safety and driver participation in the future of IndyCar. These are a special few minutes with Graham. Listen…