b'In a bonus, non-team-preview episode, Ben Lindbergh talks to FiveThirtyEight\\u2019s Rob Arthur about his new research into the changing construction of the baseball and its possible effect on the rising home-run rate. Then Ben talks to trailblazing baseball researcher Tom Shieber, the senior curator at the Hall of Fame and a recent recipient of SABR\\u2019s [\\u2026]'