LEBANON, Tenn., July 19, 2016 /PRNewswire/ -- Cracker Barrel Old Country Store® and Reba McEntire today announced "Rockin' R By Reba," the singer's new retail line available exclusively at Cracker Barrel stores nationwide and online at crackerbarrel.com on Thursday, August 4, 2016. This is the first product partnership between the country star and Cracker Barrel.Reba McEntire's retail line, More