Doing Business Jim Quinn“Quinn & Rose” will ride again in Pittsburgh, this time on iHeart’s sports “ESPN Pittsburgh” WBGG/970, its translator at 106.3 and the HD2 signal of sister country “Big 104.7” WPGB. No announcement yet from the station, but Jim Quinn said yesterday on his own syndicated show that he and former Pittsburgh radio partner Rose Somma-Tennant will be heard on WBGG from 8am to 10am weekdays, starting September 24. Sounds like “ESPN Pittsburgh” is picking up part of Quinn’s existing show, now with the addition of “Rose.” Jim Quinn’s worked in Pittsburgh at top 40 KQV (including when...