A stalemate in the Senate would leave the FBI and National Security Agency (NSA) without powers they have used to track terrorists for years, say supporters of the Patriot Act.
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Without action by the end of the month, key provisions of the Patriot Act will expire, which Senate Majority Leader Mitch McConnell (R-Ky.) argues would put the United States at a pre September 11, 2001-footing.

Yet McConnell has no definite path to extend those provisions.

He and other hawkish senators are pressing for an extension of the key Patriot Act measures, but they are opposed by other senators, the White House and a majority of House lawmakers in both parties.