<p>Trial lawyers, so I am told, are warned to be careful about what questions to ask witnesses.&nbsp; They are advised never to ask a question unless they are confident about what the answer will be.</p> <p>Not so journalists, so I don’t suppose we can berate the reporter who decided to ask Prime Minister and junta leader Gen Prayut Chan-o-cha if there was enough money for a referendum on the draft constitution.</p>