A new committee of the Tracy Chamber of Commerce aims to help the next generation of professionals become leaders in Tracy. Young Professionals of Tracy will debut Friday with a launch event at 5:30 p.m. The free gathering at The Grant Bar & Lounge, 2706 Pavillion Parkway, is open to the public to learn about the new group for people ages 21 to 39. Dan Arriola, 25, a Tracy resident who has a law firm in Stockton, is the founder and chairman. “My ultimate goal is to bring a se