Usually, it happens well into a key deposition.After hours of grueling questioning, the witness starts to wear down, his loss of confidence becoming palpable, but the interrogator doesn’t let up. Picture a rickety sailboat trying to navigate with a failing rudder as storm clouds settle in.Each of the predicate questions was quickly answered with a “Yes.” Then, moving in for the kill, the attorney notices the vulnerable witness’ eyes nervously shift to the right in the direction of his lawyer. Subtly …