Japanese Prime Minister Fumio Kishida on Sunday took a cautious view about acquiring a nuclear-powered submarine to boost the country's defense capability, a call made by some opposition parties ahead of next month's House of Councillors election."I'm not so sure if making the leap to a nuclear submarine is a good idea," Kishida said in an appearance on a Fuji TV program with other party leaders, as the official campaigning will kick off Wednesday for the July 10 election.The premier cited the difficulty of using nuclear power for military purposes under Japan's atomic energy law and the hi…READ FULL ARTICLE