21.   Staff researcher Dorothy Shea contributed to this story.

22.   Staff researcher Michelle Quigley contributed to this story.

23.   Staff researcher Xiao Kai Chen contributed to this story.

24.   Staff researchers Lynne Palombo and Xiao Kai Chen contributed to this report, which includes material from the Atlanta Journal-Constitution.

25.   Staff researchers Lynne Palombo, Sammy Alzofon and Xiao Kai Chen contributed to this story.

26.   Staff researchers Sammy Alzofon and Geni Guseila contributed to this story.

27.   Staff writer John Murawski and staff news researcher Madeline Miller contributed to this report.

28.   Staff researchers Barbara Gellis Shapiro, Xiao Kai Chen and Lynne Palombo contributed to this report.

29.   Staff researchers Lynne Palombo and Barbara Gellis Shapiro and the Associated Press contributed to this story.

30.   Staff researchers Sammy Alzofon and Lynne Palombo contributed to this story.