Paulís amendment would insist on the protection of a citizenís Sixth Amendment rights when captured or arrested in the United States and detained by the military in relation to terrorism.
Senators still hope that the overall bill could be passed by the end of the week. But aides said passage is more likely to occur Monday barring further disagreement.
Reid attempted before the Thanksgiving recess to seek approval of a unanimous consent agreement that would have limited bill debate to only germane amendments. That agreement was blocked by the GOP.
At that point, it was left to Levin and McCain to manage the amendments, attempt to limit their number and pass a bill that has been enacted every year for the past half-century.
The House passed its version of the bill (HR 4310) in May. Lawmakers must complete the defense policy bill, then complete a House-Senate conference, adopt the conference report in both chambers and send it to the president before the beginning of the new session of Congress in early January.
Vice President Joe Biden waits to conduct a mock swearing-in ceremony with Sen. Brian Schatz, D-Hawaii, in the Capitol's Old Senate Chamber, December 2, 2014. Schatz was sworn in to serve the remainder of his term since he was appointed to the seat after Sen. Daniel Inouye, D-Hawaii, passed away.