By Patrick Johnston SINGAPORE (Reuters) - The Japan Golf Tour Organization (JGTO) are keen to increase their involvement in co-sanctioned events abroad but remain opposed to any radical changes to Asia's organizational structure, a senior director told Reuters. The JGTO, along with the well-established China Golf Association, Korean Tour and Australian PGA have seen the golf market in the region muddied by a turf war between the Asian Tour and OneAsia circuits over recent years. The Asian Tour resumed merger talks with the European Tour last month but JGTO official Kenji Tanaka said China, Australia, Korea, Japan and others were better off running their own circuits rather than signing up to a single overlord. More...