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In the Gallup poll, the support among Democrats more than doubled between January and February -- from 18 percent to 43 percent -- while congressional approval moved up far more marginally among Independents (17 percent to 29 percent) and actually declined among Republicans (23 percent to 19 percent).
Fred Yang, a Democratic pollster at Garin-Hart-Yang Research, points out that the Gallup data "confirms the energy that Democrats are feeling with a new Democratic president and a united Democratic agenda" but also points to the "limits of bipartisanship."
All sides in the debate agree that it's important not to draw too many conclusions about voters' attitudes toward Congress based on a single poll or even a series of surveys taken in the immediate aftermath of a change in the White House.
The underlying numbers do suggest that bipartisanship may not be the end goal for either side as Democrats appear to be rallying behind their president while Republicans are retreating more and more into their own past partisanship.
http://voices.washingtonpost.com/thefix/2009/02/is_congress_growing_more_popul.html?hpid=topnews