The Chicago Cubs' announcement on Tuesday that president of baseball operations Theo Epstein would be stepping down from his role on the team with a year left on his contract creates a series of questions. What will the future bring for the ballclub? And for Epstein? We turned to senior baseball columnists Buster Olney, Bradford Doolittle, Jesse Rogers and David Schoenfield for their assessments of the situation now that the architect of the 2016 World Series champs is stepping down.