"The Barbecue Barrister" has the perfect Fourth of July preview – including tips on preparation, savory hot dog pointers, and a spare rib extravaganza.  Mississippians go to the polls Aug. 6 for a primary to select the finalists for governor, attorney general, and more.  We set the political stage in the Magnolia State; and relay the best-run and worst-run cities in the South.