Japan plans a state funeral on Sept. 27 for former Prime Minister Shinzo Abe who was shot to death at a campaign rally this month, a government official and leading ruling party source said on Wednesday. An official decision will be made at a cabinet meeting on Friday, they added. The site will be the Nippon Budokan, an arena originally built for the 1964 Tokyo Olympic Games that has since been a popular venue for sports events and concerts as well as the site for a memorial service for World War Two dead held every year on Aug. 15. Japanese Prime Minister Fumio Kishida said last week that Abe…