Vegetarianism and beer a yeasty flavour. Finings are used to clear the beer of yeast – there are a variety of agents used as finings, including silicon dioxide, gelatin, polyclar, and isinglass. Isinglass is the most common fining used to clear cask ale. Isinglass is produced from the swim bladders of fish, usually sturgeon, though also those in the polynemidae, sciaenidae and siluridae families; as it is an animal product, cask ale cleared with isinglass is not considered vegetarian. A brewer may also use some form of animal product in the later stages of beer processing, such as glycerol monostearate, which is used
The Substance of Fire the film version, in which Rifkin and Parker reprised their stage roles. The cast also included Timothy Hutton, Tony Goldwyn, Lee Grant, Elizabeth Franz, Dick Latessa, and Eric Bogosian. The film was released by Miramax in the United States in 1996, after being shown at several film festivals, including the Deauville Festival du Film Americain (August–September 1996), Boston Film Festival (September 1996), and Mill Valley Film Festival (October 1996). Sullivan was nominated for the Grand Special Prize at the Deauville Film Festival. The Substance of Fire The Substance of Fire is a play by Jon Robin Baitz. Isaac Geldhart is