By the time Delbra Washington of West Palm Beach, Fla., left the Barnes & Noble bookstore in Buckhead on Monday morning, proudly waving two autographed copies of Hillary Clinton's "Living History," the autograph line snaked around the parking lot. Washington had arrived about 9 the night before to claim her place at the head of the line to see the former first lady and current U.S. senator from New York. Right behind her were Denise Boesel of Atlanta and her 8-year-old daughter Maya, who lives in Munich, Germany, and is here for a visit with her mother. "She got through...