While admitting "we were wrong" about Iraq's weapons of mass destruction, President Bush's national security adviser on Sunday rejected assertions that the president manipulated intelligence and misled the American people.

Bush relied on the collective judgment of the intelligence community when he determined that Iraq's Saddam Hussein had weapons of mass destruction, national security adviser Stephen Hadley said.

"Turns out, we were wrong," Hadley told a cable news show. "But I think the point that needs to be emphasized ... allegations now that the president somehow manipulated intelligence, somehow misled the American people are flat wrong."

Hadley said issues about the accuracy of U.S. intelligence have not impaired the administration's ability to pursue its policies regarding the nuclear programs of Iran and North Korea.

"We've been able to move our diplomacy forward at the same time we're taking the steps we need to do to improve our intelligence," he said.

Asked why people should believe U.S. claims about the nuclear plans of Iran given the failure of intelligence about Iraq, Hadley said there has been international consensus about Iran.