For the second time in the past week, Delaware Park cancelled a live racing card due to the heat and moved the card as drawn to a different day. The latest Delaware Park live racing day to fall victim to excessive heat is the card scheduled for Wednesday, July 10. Acting upon the recommendation of the Delaware Thoroughbred Racing Commission (DTRC) veterinarians and stewards, Delaware has moved the entire card to Thursday, July 11, when the temperature should abate somewhat. The heat index in the area, according to the National...