ARLINGTON HEIGHTS, IL--Since going out on his own in 2018, trainer Jack Sisterson has sent out the winners of eight graded races. Remarkably, fully 50% of those have come in Grade I company and he can up that tally should Tango Tango Tango (Tourist) get the job done in Saturday's GI Bruce D. S. (formerly Secretariat S.) at Arlington. Third from a pair of tries on the dirt to begin his career, the $35,000 Keeneland September graduate finished runner-up trying the grass for the first time at Ellis Park July...