TOKYO (Reuters) - A group of Japanese government heavyweights have written a secret proposal to break up Tokyo Electric Power Co and nationalise its nuclear operations, a newspaper said on Sunday. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=XmatI9diYoA:9thR4Y40zk4:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=XmatI9diYoA:9thR4Y40zk4:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/XmatI9diYoA)