Julian Zelizer : President George W. Bush is enjoying another bounce in the polls . Zelizer : The president has been on a roll since his State of the Union address last month, and he's now at 46 percent approval rating -- up from 40 percent just two weeks ago. He says one reason is that passions for presidents tend to lessen after they leave office . Zelizer : On the other hand , he might want to be a bit cautious about taking too much comfort from positive approval ratings . President Obama has done Bush a favor by continuing some of his policies .
Julian Zelizer : President George W. Bush is enjoying another bounce in the polls . Zelizer : The president has been on a roll since his State of the Union address last month, and he's now at 46 percent approval rating -- up from 40 percent just two weeks ago. He says one reason is that passions for presidents tend to lessen after they leave office . Zelizer : President Obama has done Bush a favor by continuing some of his policies .