Homeland Security bill faces key vote on Tuesday

READ: Reid returns to the Senate in time for DHS funding fight

But Democrats oppose adding what they call “poison pill’ amendments to the $40 billion funding bill. With the vote on Tuesday, they want to demonstrate to Republicans, who have 54 seats in the Senate, the bill can’t get the 60 votes it would need to pass with the amendments attached.

CNN’s Athena Jones contributed to this report.

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