After sharing their last three vacations with the world, the Clampet family is back; only this time they're hanging out in their hometown of Shreveport, La., when MY BIG REDNECK FAMILY premieres Saturday, January 18 at 10:00 p.m., ET/PT on CMT. In each half-hour episode of this all-new comedy, hosted by Tom Arnold, CMT will follow the family's crazy antics and parenting misadventures. From Jared's awkward introduction to the world of temporary employment, to Doug's…