 CHARLOTTE, N.C.--BUSINESS WIRE--Krispy Kreme will sweeten Rewards members brew Wednesday on National Coffee Day with a free doughnut AND free brewed coffee. Rewards members who visit participating Krispy Kreme shops across the U.S. can receive a brewed coffee and any doughnut of their choice for free, no purchase necessary. Guests can easily become Rewards members through the Krispy Kreme app or by visiting KrispyKreme.comrewards. Our Rewards members are the best, so were treating them to 