The Aqueduct Gaming/Harrah’s deal is the latest as the state mulls bids from seven different development groups to build, operate and develop the gaming complex as part of the fabled Queens horseracing track.Buffalo’s Delaware North Cos. is one of the lead partners in Aqueduct Gaming.William Bissett, president of Delaware North Cos. Gaming & Entertainment, said the presence of Harrah’s Total Rewards program could boost tax revenues generated by the VLT operation at Aqueduct by 10 percent.“We believe our brands....