Comcast's corporate reorganization means that there will soon be two television networks with “NBC” in their name — CNBC and MSNBC — that will no longer have any corporate connection to NBC News. How that affects viewers of those networks, along with the people who work there, still needs to shake out. Their new corporate leader, Mark Lazarus, visited the set of MSNBC's “Morning Joe” as the plan was being announced on Wednesday and spoke to network staff members during a morning to...