Poll Date Sample For/Favor Against/Oppose Spread
RCP Average 3/10 - 3/26 -- 40.8 50.1 Against/Oppose +9.3
Washington Post 3/23 - 3/26 1000 A 46 50 Against/Oppose +4
Rasmussen Reports 3/23 - 3/24 1000 LV 42 55 Against/Oppose +13
Quinnipiac 3/22 - 3/23 1552 RV 40 49 Against/Oppose +9
CBS News 3/22 - 3/23 649 A 42 46 Against/Oppose +4
Gallup* 3/22 - 3/22 1005 A 49 40 For/Favor +9
Bloomberg 3/19 - 3/22 1002 A 38 50 Against/Oppose +12
CNN/Opinion Research 3/19 - 3/21 953 RV 39 59 Against/Oppose +20
The critical element left out, however, is how people feel about the specifics of the bill; I suspect a majority of those polled do not know what is in it. Also omitted is those who are against it because they wanted more from it, rather than opposing it for over-reaching.
Another sample in a month will be very different, I predict.
A