If it’s not one Oklahoman, it’s another. This week, Carrie Underwood’s Greatest Hits: Decade #1 debuts at No. 1 on Billboard’s country albums chart, thereby dislodging fellow Okie Garth Brooks’ Man Against Machine, which had held that eminence for four consecutive weeks. Meanwhile, Tim McGraw’s “Shotgun Rider” glides to the top of the country airplay… Read more »