By Henry Newman Labour’s cronyism scandal has rightly led to calls for greater transparency around donors but let’s not throw the baby out with the bathwater. If anything, we need more private money in politics, says Henry Newman Politics is sometimes called show business for ugly people. Aesthetics isn’t the only supposed difference between Westminster and Tinseltown. British politics certainly lacks the glamour of the red carpet and silver screen. But it has also got far less money behind it. Spending limits are quite low for most individual candidates at election, and parliament’s transpare…