The Bush administration is concealing the level of violence against U.S. troops in Iraq and the situation there is growing worse despite White House and Pentagon claims of progress, journalist Bob Woodward said in advance of a new book.

Militant attacks against U.S.-led forces in Iraq occurred, on average, every 15 minutes, Woodward said in a CBS "60 Minutes" interview taped for broadcast on Sunday.

"It’s getting to the point now where there are eight, 900 attacks a week. That’s more than a hundred a day. That is four an hour attacking our forces," Woodward said in excerpts of the interview released on Thursday before the release of his book on the administration, called "State of Denial."
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