Ronald Brownstein (2010) identified groups he described as "the gray and the brown." Based on his findings, which of the following are true of "the gray and the brown"? Select one: a. The "brown" population appears increasingly resistant to taxes and public spending. b. The "gray" population is generally accepting of taxes and public spending. c. The "gray and the brown" are more independent economically than either realize. d. Politically, "the gray and the brown" are very similar. e. The "gray" population voted solidly for Democratic candidates, whereas the "brown" population voted consistently for Republican candidates