Ideology vs. interest: the case of Medicare.
D000328:Adult; D000367:Age Factors; D001290:Attitude; D006262:Health; D006801:Humans; D007062:Identification, Psychological; D007182:Income; D007348:Insurance, Health; D006278:Medicare; D008875:Middle Aged; D011057:Politics; D011593:Psychology, Social; D012946:Social Welfare; D012963:Sociometric Techniques