The iconic black and yellow letters beckon from a sign near Interstate 40 and Randleman Road. Inside the low-slung restaurant that claims the sign, there's plenty of batter ready. But it isn't destined for a fryer. This is Waffle House, and here, batter belongs on an iron -- a waffle iron. Founded in 1955 in Avondale Estates, Ga., the restaurant chain has been serving "Good Food Fast" around-the-clock for five decades. It will celebrate its 50th anniversary Labor Day. Freeway Foods of Greensboro opened the city's first Waffle House franchise in 1973 on Randleman Road. The restaurant operated 24 hours...