'Forrest Gump' Eric Roth screenwriter sues over Madoff losses BY SOO YOUN and OWEN MORITZ DAILY NEWS WRITERS Saturday, December 27th 2008, 1:21 AM The writer of a string of Hollywood hits - including "The Curious Case of Benjamin Button" - sued his investment manager Friday for losing a bundle in Bernie Madoff's Ponzi scheme. Screenwriter Eric Roth claims his "trusted investment manager," Stanley Chais, "simply handed off" his money to Madoff while collecting "enormous fees." When he learned of his "heavy" losses last week: Roth exclaimed: "I'm the biggest sucker who ever walked the face of the Earth. The...