As legendary firms like GE and Johnson & Johnson go after separation programs, the “sum of the elements if bigger than the complete” argument is obtaining a new training from the sector. nicodemos | E+ | Getty Pictures Almost everywhere you look in the sector, across sectors, legendary businesses are less than pressure from activists to break up up, or are generating the selection to search inside their personal functions and slender down. GE’s failed conglomerate model resulted in the conclusion final week — a surprise to handful of — to crack up into three organizations. In Asia, the place the conglomerate construction is prevalent, Toshiba said it would break…