The Casino Reinvestment Development Authority is in talks with the owners of Renaissance Plaza over expanding the supermarket at the site to help address city residents’ food needs. According to the Press of Atlantic City, some of the discussion centers on the lease between Pay Less Liquor store and the plaza, said state Sen. Vince Polistina, R-Atlantic. The plaza is also home to the Save-A-Lot discount grocer, which serves more than 5,000 customers a month.