The arguments between CBS management, its special committee on the merger with Viacom, and the management shenanigans of National Amusements, which controls both stocks – is interesting and a great precedent in law – but it will end up as nothing by a side-line in the battle to control US content – a trend which is already laying waste to far bigger and better content businesses. Shari Redstone, the prime mover behind National Amusements, this week did precisely what was expected of her – she approached a court to get it to agree that the dilution of her voting shares triggered by Leslie Moonves is fundamentally illegal. He wants to shake off the control of National Amusements by issuing more…