Undercover federal air marshals on board a June 29 Northwest airlines flight from Detroit to LAX identified themselves after a passenger, “overreacted,” to a group of middle-eastern men on board, federal officials and sources have told KFI NEWS. The passenger, later identified as Annie Jacobsen, was in danger of panicking other passengers and creating a larger problem on the plane, according to a source close to the secretive federal protective service. Jacobsen, a self-described freelance writer, has published two stories about her experience at womenswallstreet.com, a business advice web site designed for women. “The lady was overreacting,” said the source....