Going to the Dogs:    Greyhound Racing,  Animal Activism and American Popular Culture by Gwyneth Anne Thayer University Press of Kansas (Lawrence,  KS 66045),  2013.296 pages,  hardcover.  $34.95. Reviewed by Merritt Clifton George Armstrong Custer was a greyhound buff,  who may have devoted more time and attention to the dogs than he did to fulfilling […]