NICHOLASVILLE, Ky. — After more than 20 years of service, firefighter Jerry Stephens retired Tuesday from the Nicholasville Fire Department, closing a chapter in a career that is still far from over. Stephens, 49, was born June 30, 1976, in Morehead, Kentucky, where he grew up on his family’s farm. He graduated from Morehead State University with a degree in agriculture. He began his fire service career as a volunteer in 1994. Stephens said watc…