SEOUL Samsung Electronics reshuffled its leadership on Wednesday as it looks to gain an edge in the production of microchips used for artificial intelligence servers. The world's largest memory chip maker issued a rare apology in October, acknowledging it was facing a "crisis" and that questions had arisen about its "fundamental technological competitiveness and the future of the company.". On Wednesday it tapped vice-chairman Jun Young-hyun to lead its memory business and appointed Han Jin-man,