This year's version of the Cubs is much more believable as a contender

“No one performs an experiment once and considers the work done. They repeat it with different variables, correcting what they thought they knew, adding what they’ve learned.”  — from “The School of Life” by Amy Maclin as it appeared in O Daily Magazine At some point this season — maybe it was during their first 10-game winning streak in late April, maybe it was during their second, maybe at some point during the 10-game losing streak that followed in late May, maybe they’re in the midst of it…