Dave McNary Film ReporterBob Osher is leaving his Miramax posts as chief operating officer and general counsel after playing a significant role in securing and closing the $375 million deal for ViacomCBS and Paramount to buy 49% of the company.Osher had joined Miramax in 2018 after leading Sony’s digital division for seven years as president of Sony Pictures Digital Productions.“We are grateful for the integral role Bob has played in advancing the company’s commitment to great storytelling and