Media executive Shari Redstone has been named chair of Israel-based entertainment studio Sipur, which is behind the award-winning documentary "We Will Dance Again" and Netflix's "Bad Boy". The company said on Tuesday that the former Paramount chair will work with Sipur's co-founders, CEO Emilio Schenker and Gideon Tadmor. Redstone has invested in the production studio alongside Tadmor and Israeli institutional investors Bank HaPoalim and Clal Insurance, Sipur added. "Not only does Sipur produce