Country star Alan Jackson enjoys his third No. 1 on The Billboard 200 with the Arista Nashville album "What I Do." The set bows with U.S. sales of 178,000 units, according to Nielsen SoundScan, ending

Country star Alan Jackson enjoys his third No. 1 on The Billboard 200 with the Arista Nashville album "What I Do." The set bows with U.S. sales of 178,000 units, according to Nielsen SoundScan, ending the two-week reign of Tim McGraw's "Live Like You Were Dying" (Curb), which falls to No. 2 on a 33% slide from last week to 153,000.