Nick Vivarelli International CorrespondentViacomCBS International Studios and Italy’s Leone Film Group have forged a strategic partnership by signing a long-term agreement to co-produce a wide range of Italian content for the global market. This potentially milestone pact between VIS and Leone — the prominent indie production and distribution shingle owned and operated by late master director Sergio Leone’s children Raffaella and Andrea — will create “vast opportunities for the development and