The Del Mar summer meet, always a hot attraction in Southern California, could not have gone much better this year. The stand set records for average daily handle and average field size, and crucially, recorded zero racing or training fatalities, the fourth stakes Del Mar meet with no racing breakdowns. Tuesday, Del Mar CEO Joe Harper joined the TDN Writers' Room presented by Keeneland as the Green Group Guest of the Week to talk about how the track has become the gold standard for racehorse safety, what the future looks...