>>> welcome to nhk world "newsline," i'm gene otani in tokyo. here is a look at some of the stories we're following this hour. >>> south korea has told other countries it's expanding its air defense zone to overlap those of chin nand japan. >>> members of japan's ruling coalition have agreed on guidelines to cushion the impact of doubling the consumption tax. >>> cheap electricity has fueled south korea's remarkable growth, but with another cold winter on the way, some worry it could bring the power grid to a breaking point. >>> south korean aviation authorities have confirmed to neighboring countries they'll extent their air defense identification zone this sunday. it will overlap japan's and one china declared last month. they all lie outside each nation's air space. initially the south korean and