On Sunday, however, the attorney general's office took the unusual step of directly rebutting her.
A letter on Monday from five members of the health select committee directly rebuts the prime minister's claim.
Politico has also become a forum where the White House can directly rebut its adversaries, and at times the cross talk resembles an Internet comments page.
The law appeared to be the first in the nation to directly rebut an Obama administration policy requiring insurers to cover birth control at no additional cost.
"That information has not been made available to us, and as a result, we cannot directly rebut the information from the government," he said.
In a petition and in interviews, the wealthy opponents of abolishing the estate tax directly rebut the argument of President Bush and others that the tax somehow dampens the incentive of rich Americans to make money.
Mr. Spitzer said those payments were Mr. Boyle's share of the lease payments and the sale profits, respectively, a claim that Mr. Boyle did not directly rebut or confirm.
After an extensive debate inside the White House, Mr. Bush has begun directly rebutting the arguments laid out in manifestos and missives from Osama bin Laden and Ayman al-Zawahiri, Mr. bin Laden's top aide.
Mr. Bush did not directly rebut critics of the war, especially Democrats in Congress, but he sought to preempt the coming debate over the success of the troop buildup.
