A year ago, breeder John Gunther entered a colt by his racehorse Without Parole in the Keeneland September Yearling Sale. The bay was out of the Street Cry  mare Mama Tembu, herself a half sibling to Stage Magic, dam of Justify, and he sold for $95,000 to Avenue Bloodstock.  “He went through the sale,” said Gunther, “but there was a problem with the…