With the Little League World Series winding down to the final few teams, there's a question that dances across the minds of many overzealous future dads: Is there anything you can do to increase the chances your kid will be left-handed, and therefore more likely to have a shot at Williamsport?

Below, read my story from this April about some broad trends in handedness, and why hoping for a leftie might not be the best thing for your kid.