Viacom CEO to reporter: Divulge your source — we promise not to kill him

Is this what you call old-school media relations? Sumner Redstone, the 87-year-old Viacom chief, wants to know Peter Lauria’s source for a story he wrote on The Daily Beast. The story was about Redstone’s interest in pressuring MTV to produce a show about the band Electric Barbarellas, reports The Los Angeles Times . In a phone message to Lauria, Redstone said “we’re not going to kill” the source. “We just want to talk to him,” he added. Redstone also promised Lauria he&#821…