Who’ll do be best getting supporters out on Thursday?
Is anybody bold enough to call the Iowa caucuses? Leaving aside the probability of a very major shock then the next resident of the White House will be one of the seven contenders featured above. And for each next Thursday night could be crucial. For one or two victory in their party’s caucuses is absolutely central if they are to stay in the race. For others a convincing performance could be a knock-out blow to other challengers. But how can…