Whether it’s a matter of a) heightened economic fears, b) Obama/Biden’s newly aggressive tack, c) Palin fatigue, or d) all of the above, Barack Obama has seen his polling fortunes tick upward this week. Pollster.com’s national survey-of-surveys captures it in the chart below:

Click on the image to see links to all the polls referenced in this chart.

Click on the image to see links to all the polls referenced in this chart.

The marquee poll of the moment is the CBS/New York Times survey released yesterday, which gives Obama a 48-43 edge among registered voters and an identical margin (49-44) among likely voters. And TalkLeft notes that the latest Reuters/Zogby numbers point to gains for Obama among women and independents.

Pollster.com’s electoral college projections by state are here.