Shari Redstone is once again looking seriously at merging CBS and Viacom back together, multiple “insiders” told TheWrap in a report Friday afternoon that lifted shares of both companies. (CBS continues to gain in early Tuesday trading.) She “has concluded that a bigger footprint is necessary for the companies to thrive,” the article says, as “three individuals with knowledge of the companies said that Redstone is actively moving in that direction [of a merger.]” Those insiders say that CBS chairman Les Moonves “is now open to the possibility,” and an individual close to Moonves told TheWrap: “He’s having active discussions with […]