Unbeaten Kazak light heavyweight sensation Beibut Shumenov is on the verge of boxing history as he prepares for his August 15th title challenge against World Boxing Association champion Gabriel “Chico Guapo” Campillo, making his first title defense, at Palace of Sports “Kazakhstan” in Astana, Kazakhstan. 2004 Kazakhstan Olympian Shumenov (8-0, 6 KOs), 2008 WBC Asian…