Tech giant Microsoft will buy the video game publisher Activision Blizzard in a $68.7 billion deal that would reshape the gaming landscape. The deal, if completed, would bring together Microsoft, which owns the Xbox game platform and Xbox Game Studios (which owns Bethesda Softworks and 343 Industries, among other game publishers) and Activision, owner of the Call of Duty, Warcraft and Tony Hawk franchises, among others. Microsoft will become the world’s third-largest gaming company by revenue, behind Tencent and Sony, when and if the deal closes. The deal is the largest in Microsoft’s history, with the companies targeting a close in 2023. “We need more innovation and investment in content creation, and fewer constraints on distribution,” Microsoft CE...