Have you ever picked up your hand, opened a weak 2 on a proper six-card suit (all right, if you’re being honest, maybe a bit underweight point-wise but you’re not vulnerable) and watched with mounting alarm as it goes pass, pass, DOUBLE, all pass? Have you then sat there while they take the first seven tricks, and a couple more at the end, and written miserably on your scorecard minus 800? Scoring up is not too attractive, is it? It has happened to me so often that bad weak twos or two level overcalls with only a five-card suit are...