What on earth is David Cameron's China junket for? | Simon Jenkins

Such 'trade missions' are a costly waste of time. Why doesn't he do something useful, such as making it easier for Chinese tourists to visit Britain?

David Cameron's trade missions are bordering on the ludicrous. He has been on more than 50. Today a grand entourage of 131 friends, party associates and celebrities is in China at public expense on a vastly enjoyable escape from reality. No one has ever shown that politicians' trade visits add one penny to the balance of payments that a good expo...