We need to invest, the water industry claims. But it’s making bill payers foot the bill for its failures to do that, and they’re getting angry – and no wonder, writes James Moore I f you thought January was misery month, think again. It’s actually April, when the new tax year starts, bills leap like an OIympic class high jumper, and the chancellor’s blows to our personal finances hit home. The spoonful of sugar to ease the medicine of a wildly unpopular tax-raising budget was to freeze some of