A lot was said about that during last summer's recalls. It wasn't particularly effective. There are very few who remember FDR.
I'm sure that's true that few remember FDR. So I can see why that doesn't work with the voters.
Still, I think every Republican who is interviewed on TV and radio by the MSM ought to ask that question of the interviewer -- "Why is it that Obama and other Democrats worship FDR and his new deal, and yet ignore the truth that FDR was against the idea of public employee unions. So what, exactly is the justification for public unions?"
The resulting discomfort on the part of the interviewer would make great viral YouTube videos.