Congress is finally being forced to choose once and for all whether it wants to rein in the National Security Agency.
And the time for substantive reform is running out.
(RELATED: Key Republican is Not On Board With NSA Reform)
The late-night maneuver is also magnifying a rift within the GOP on national security and privacy that has yet to close nearly two years after the Edward Snowden disclosures began. Congress has until June 1 to renew the Patriot Act before core provisions of it expire.