Britain’s messy politics is making it harder for Bank of England Governor Mark Carney to ignore a jump in inflation. The spike in prices is probably temporary and wages remain subdued. But the country’s fragile government will add to bond investors’ nerves. Carney and his fellow rate-setters are keeping UK policy rates at a record low of 0.25 percent even though prices rose 2.9 percent in May – the highest level in nearly four years and almost a full percentage point above the central bank’s target. That makes sense. While sterling’s weakness after last year’s EU referendum has made imported