"FRIGID AND IMPOTENT " Former child star Drew Barrymore proved her career may not have peaked with E.T. when she received critical acclaim for her performance in "Boys on the Side." Now she has signed to star in this dark romantic comedy about two serial killers who fall in love. The film is being produced by Michael Stipe's Single Cell Pictures. Stipe, lead singer of the alternative band R.E.M., signed a two-year production deal with New Line last year. (New Line)