The UK's chancellor of the exchequer Jeremy Hunt looked pleased as he delivered his budget to the House of Commons in London on Wednesday, but the UK economy has deep seated issues. Photograph: UK Parliament/Maria Unger/PA Wire Income tax cuts are the Holy Grail of Britain’s Conservative Party, the electoral fuel that its MPs covet to boost the party’s flagging hopes at this year’s upcoming general election. The issue hangs in the air at every gathering of the party’s right wing stalwarts – former prime minister Liz Truss sometimes holds mini rallies in central London focused entirely on the idea...