Abandoned projects the US government spent billions of taxpayers' money on
These unfinished projects cost billions
The various agencies of the U.S. government are allocated more than $1 trillion of taxpayers' money annually, and not all of that cash is spent wisely. Click ahead as we reveal the most notorious unfinished projects the federal government wasted money on, from a doomed dam to a state-of-the-art border surveillance system that didn't work.
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