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Input: In April  the firm’s veteran pollster Stan Greenberg briefed House Democrats on the findings with a presentation at the offices of the Democratic National Committee.
The polling memorandum  produced by GBA Strategies and  Greenberg ’s firm  was composed by surveying 52 so-called battleground districts  half of which are currently held by Democrats and half by Republicans.
The question that  Greenberg  put before Democrats to make the case against single-payer  though  is a highly unusual one (emphasis in original): “If you could change one thing about your healthcare or health insurance  what would it be?”
 Greenberg  is the spouse of Connecticut Democratic Rep. Rosa Delauro. She is not one of the 121 House Democrats who back the single-payer legislation before Congress  and one of only 11 members of the Congressional Progressive Caucus who did not sign the bill.
In a comment to  The Intercept  Greenberg  noted that Alan Quinlan  a partner at his firm  led the work on the poll. On the firm’s website  Quinlan lists Blue Cross Blue Shield of Michigan as one of his former clients.

DCCC Internal Polling Presented to Members of Congress Panned Single