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by Frank James

Another number-crunching congressional agency is estimating that the bill for the Iraq and Afghanistan wars will reach more than a $1 trillion by 2017.

The non-partisan Congressional Budget Office estimated that should the U.S. keep at least 75,000 troops in Iraq and Afghanistan by 2017, the estimated costs would range between $924 billion and $1.01 trillion.

Last month, the Congressional Research Service estimated that the costs of the wars in Iraq and Afghanistan through 2017 would run around $1.4 trillion.