Comcast is going to have the devil’s own job convincing investors that the bid it is preparing for the available Fox assets, is worth going ahead with. Luckily senior management at Comcast have rarely given a second thought to shareholders in matters of strategy. CEO Brian Roberts doesn’t so much want out of cable and into content, but feels he cannot be left behind on content – the major broadcasters, ABC, NBC, Fox and CBS and the major studios – the content makers, Time Warner, Sony Pictures, Disney, 20th Century Fox and Paramount (Viacom) have always been the end point of where network operators were heading. Back in 2003 when we first introduced the idea of the Faultline, it was…