No one doubts the nation has the skill. What it needs now is the will, says Gearoid Reidy for Bloomberg Opinion. TOKYO: Japan’s decision to lift restrictions on the export of lethal arms has many hoping the country can be the defence supplier to the world. Ending this decades-old taboo would have been politically unthinkable just a decade ago. Nonetheless, this is the easy part.  The real task now will be growing the defence industry quickly enough to be competitive and relevant amid a surge in