By David McNaughton, The Atlanta Journal-Constitution Knight Ridder/Tribune Business News
May 11--Think of the latest banking merger as SunTrust-meets-Wal-Mart.
Sure, the silk-stocking Atlanta bank will branch into some demographically appealing markets, such as Charlotte and Memphis. But it also will latch onto the agreeable, fast-expanding partnership that National Commerce Financial has with Wal-Mart.
The cachet of the world's biggest retailer is such that National Commerce plugs its outlets in Wal-Mart locations using the Wal-Mart name fi