Memo released Tuesday informed Participant's staff of 100 that the 20-year-old studio is winding down operations Participant, the activist film and television studio that has financed Oscar winners like "Spotlight" and socially conscious documentaries like "Food, Inc," and "Waiting For Superman" is closing its doors after 20 years. Billionaire Jeff Skoll told his staff of 100 in a memo shared with The Associated Press Tuesday that they were winding down company operations. "This is not a step I am taking lightly," Skoll wrote in the memo. "But after 20 years of groundbreaking content and world-changing impact campaigns, it is the...