"In my conversations with colleagues on the other side of the aisle, I am convinced that there are plenty of people here who are prepared to reach across the aisle and prove that the… Senate can live up to this moment," said Kerry.

"I believe in the next 48-hours the Senate will prove our ability to live up to our constitutional and our personal responsibility,” he continued.  

Meanwhile, sources say talks in the Capitol on a deal to raise the debt-ceiling are ongoing and that both party leaders are actively engaged.

A vote is still expected on Senate Majority Leader Harry ReidHarry ReidCommunities struggling with decline of coal can’t wait any longer on RECLAIM Act Week ahead: AT&T-Time Warner merger under scrutiny This week: Government funding deadline looms MORE's (D-Nev.) debt-ceiling proposal at 1 a.m. on Sunday.