Complex sentence: She initiated a successful private prosecutions against "Gay News" on the grounds of blasphemous libel, the first such case for more than fifty years, and the director of the play "The Romans in Britain", which had been performed at the National Theatre.
Split into simpler sentences: She initiated a successful private prosecution against "Gay News" on the grounds of blasphemous libel, the first such case for more than fifty years. Another private prosectution was brought against the director of the play "The Romans in Britain", which had been performed at the National Theatre.