Stanton’s now a positive force, but here comes the big test

Inside a near-empty home clubhouse at George M. Steinbrenner Field seven-plus months ago, Giancarlo Stanton heard the allegations lodged against him and defiantly pleaded guilty. He and I, in an introductory interview, were discussing his interactions with the media during his time with the Marlins. The word was, simply, he could be difficult. He hadn’t…