After weeks of speculation, Shigeru Ishiba is finally stepping down. The next head must restore the LDP’s centre-right credibility, says Gearoid Reidy for Bloomberg Opinion. TOKYO: Japan’s ruling bloc was desperate. Hammered by scandals and sinking ratings, the Liberal Democratic Party gambled on a new leader less than a year ago. They chose Shigeru Ishiba. And to quote what Michael Caine’s Alfred Pennyworth said of the Joker in 2008’s The Dark Knight, in their desperation they turned to a man