The XFL reboot arrives Saturday as the South welcomes five teams: DC Defenders, Dallas Renegades, Houston Roughnecks, St. Louis BattleHawks, and the Tampa Bay Vipers.  Jon Rawl broadcasts today from the Nashville suburb of Goodlettsville, current hometown of Garth Brooks.  We salute the music icon on his 58th birthday with 1998's "It's Your Song."  Also, an informative discussion of the importation of African slaves during the colonial time period.