President Bush has condemned the beheading of an American civilian in Iraq, saying the savage nature of the execution is a reminder of the true nature of the terrorist enemy.
During his weekly radio address, Mr. Bush said terrorists like those who beheaded Nicholas Berg earlier this week cannot be appeased, but must be pursued until they are defeated.
The president said as U-S forces continue to attack and defeat the enemies of freedom, the United States is also continuing to work with Iraqi leaders and the United Nations to build a free, democratic and independent government.
The president also spoke out against U-S military abuse of Iraqi prisoners, saying he is determined that such abuses "never happen again." But he said the actions of a few, who will be punished, do not reflect the true character of the U.S. armed forces.
Mr. Bush's comments come after several contentious hearings in Washington scrutinized the military's handling of detainees.
Meanwhile, a new poll indicates support for the president is falling as Americans expressing growing unease about Iraq.
In a CNN/Time magazine poll released Friday, support for Mr. Bush fell three-points to 46 percent. In the survey, presumptive Democratic presidential challenger John Kerry received the support of 51-percent of likely voters.
The poll of one-thousand likely voters also found that 56% Americans now believe that the war in Iraq is not worth fighting - another record.