It was 35 years ago this weekend that Broad Brush bolted to the outside fence at the top of the stretch while on a clear lead in the Pennsylvania Derby, then amazingly re-rallied to claw back the lead for an improbable win. They've long since rebranded Philadelphia Park to Parx, added a racino, and been awarded an upgrade of that track's premier stakes from Grade II to Grade I. But history tends to repeat, and that same quirky spot at the quarter pole proved eerily enigmatic yet again on Saturday,...