Jeff Shaara, author of the best-selling "Gods and Generals" and other historical novels, makes swing through town. FREDERICKSBURG has been good to him, and now he's returning the favor.That is one way of looking at today's visit to town by Jeff Shaara, author of the best-selling "Gods and Generals" and other historical novels.His feelings for the Fredericksburg area took root, by surprise, on a drive north from Richmond in 1994. He'd just paid a visit to the Museum of the Confederacy in Richmond, doing research for "Gods and Generals."A lot was on the line. His late father, Michael Shaara, had...