Mark Cuban is betting big that this Japanese wrestling company can take on WWE

Mark Cuban is stepping into the ring with another high profile billionaire to stake his claim in the world of professional wrestling. The other billionaire is Vince McMahon, chairman and CEO of WWE, which has ruled supreme as the world's number-one "sports entertainment" company for decades.Cuban's cable and satellite network AXS TV — formerly known as HDNet — acquired the rights to broadcast New Japan Professional Wrestling in 2015. NJPW, or "New Japan," as it's commonly known, is a popular...