Sanae Takaichi likes to compare herself to ‘Iron Lady’ Margaret Thatcher, but since taking power the Japanese premier has more frequently been likened to Liz Truss, the UK’s shortest-serving prime minister. Now her snap election seeking a mandate for debt-fuelled growth and tax cuts has triggered bond market tumult. With her political platform on the line, she can't drop her spending pitch to voters now. And as with Truss, it's an entirely self-made trap. [....]