By Patrick Stephan (@TSO_Patrick) Recently Adam Stern at SportsBusinessDaily.com tweeted (and wrote a story) saying, “.@IndyCar and International Speedway Corp. executives discussed holding a dual NASCAR/IndyCar race weekend in ’19 @ChicagolndSpdwy, per sources, an idea that was tabled for now but hasn’t been ruled out for the future:” LINK:  https://twitter.com/A_S12/status/1046745630188679168 Now, since I can’t get on…