Sumner Redstone has died, aged 97, the venerable but often controversial executive who turned a New England movie theater into a global media empire – from National Amusements, to Viacom to Paramount and CBS. If you’ve ever used the phrase ‘content is king,’ Redstone was the one who penned it. This should bring an end to the bitter legal disputes between Sumner and his daughter Shari. ViacomCBS is planning to rebrand CBS All Access, to create a product that it can launch globally. Currently priced at $5.99 per month with advertisements, and $9.99 without, the service is confined to the US. A new brand and different prices are in the pipeline. Meanwhile, ViacomCBS’s Pluto TV AVoD service ended Q2 with…