JOSEPH WILKINSON New York Daily News Three people were killed and 12 others wounded in a shooting at a Saturday night party in southern Alabama. Gunfire erupted around 10 p.m. near Stockton, local CBS affiliate WKRG reported. The town of about 550 people sits about 20 miles north of Mobile. About 1,000 people had gathered for a party in the area, police told local Fox affiliate WALA. Most of…