Never before had the chief executive officer of fast-food chain McDonald’s Germany sat at the table when Chancellor Angela Merkel met with captains of the country’s biggest corporations. [...] But the CEO, Holger Beeck, was there in September at the Bundeskanzleramt because McDonald’s has hired 900-plus refugees, more than any other company at the meeting. The subject of the meeting was integrating those fleeing war in Syria and other dire conditions.