But this battle more than most is driven by political symbolism - whether Trump will be able to claim he delivered on his long-running pledge to "build the wall" or newly empowered congressional Democrats' ability to thwart him.
In answer to Wallace asking how close they are, Mulvaney said that it's not so much the content of what was leaked but the fact that someone spent three months doing it that is the problem.
The sticking point is over detention beds, both people said, an issue that would typically be regarded as a side-note to the broader talks on the level of funding for border security. Richard Shelby, R-Ala., said Sunday on Fox.
"We're hoping we can get there", Shelby said, adding he was "not confident" a deal could be reached by Monday.
Meadows said the amount of money needed can be less than President Donald Trump's $5.7 billion demand for a wall.
Congressional negotiators have met to discuss border security since Trump signed the stopgap measure, and as the coming deadline neared, key figures appeared optimistic that a deal could be reached, as CNN previously reported.
"I've seen the Democratic and the latest Republican offer ..." In addition, Democrats are pushing to reduce the number of apprehended migrants detained by Immigration and Customs Enforcement, a federal agency.
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Chelsea emerged victorious 2-0 over the defending champions when the two sides met earlier at Stamford Bridge in December. This selection was profitable when Liverpool , Manchester United and Arsenal all arrived at The Etihad this term.
Democrats say they proposed their cap to force ICE to concentrate its internal enforcement efforts on unsafe immigrants, not those who lack legal authority to be in the country but are productive and otherwise pose no threat.
The aides said the White House was read in on how and why the talks have stalled.
"We do not discriminate against potential hires on the basis of their prior work experience, including the administration", the aide said. "Any kind of artificial cap on internal enforcement as it relates to criminals is a non-starter".
"It was a very bad week for the Democrats, with the GREAT economic numbers, The Virginia disaster and the State of the Union address". "But I don't think anybody has an appetite for a government shutdown and I think everybody wants to make sure our borders are secure". He said the impasse was over Democrats' desire to cap the number of beds in detention facilities for people who enter the country illegally. Democrats have proposed reducing the current number of beds ICE uses to detain immigrants here illegally from 40,520 to 35,520.
"We need to keep our eyes on this but I'm very hopeful, not positive, but very hopeful we can come to an agreement", he said. "But it's going to have to include funding that will allow us to secure the border, and it will have to include funding for some sort of a barrier".
Acting White House chief of staff Mick Mulvaney, in appearances on NBC's "Meet the Press" and "Fox News Sunday", said "you absolutely cannot" eliminate the possibility of another shutdown on Friday if a deal is not reached over the wall. "I can tell you this for sure, it's not 5.7 billion dollars for a wall; it's not anywhere close", stated Texas Rep. Henry Cuellar, a Democratic member of the special committee.