When proper punctuation goes (hilariously) bad... "MERLE HAGGARD: The documentary was filmed over three years. Among those interviewed were his two ex-wives, Kris Kristofferson and Robert Duvall."
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It doesn't matter how much you may support same-sex marriage (and I certainly do); Merle Haggard and Kris Kristofferson, or Merle and Robert Duvall are NOT my idea of dream couples.