A routine press tour to promote the Australian release of Rocky Balboa last February put Sylvester Stallone in an embarrassing predicament, as airport customs agents discovered 48 vials of human growth hormone inside the senescent action star's luggage. As Stallone fans Down Under cope with the shattering suspicion that their 61-year-old underdog screen hero may have achieved his gladiatorial frame through the use of banned substances, the actor himself has been cooperating with the...