Reuters: Japan is set to pledge up to $500 million to contain leaks of radioactive water from the crippled Fukushima nuclear plant, with the government stepping up its intervention in the world's worst atomic disaster in a quarter of a century. Trade and Economy Minister Toshimitsu Motegi said late on Monday the government would fund "tens of billions" of yen to address the water crisis after the embattled operator of the plant, Tokyo Electric Power Co, said it had found another radiation hot spot at the...