The American Civil Liberties Union announced its intention to sue less than an hour after the White House released the text of Mr Trump's declaration that the "current situation at the southern border presents a border security and humanitarian crisis that threatens core national security interests and constitutes a national emergency".
But President Trump's declaration goes beyond previous emergencies in shifting money after Congress blocked his funding request for the wall, which will likely factor in legal challenges.
In his announcement, Trump explained his plans to divert funds from the Department of Defence military construction budget to building the wall.
And California's Attorney General Xavier Becerra promised to "definitely and imminently" launch a legal challenge to the emergency declaration, one of an expected flurry of suits against Trump's aggressive executive power move.
Several Republican senators are already indicating they could vote against Trump.
Wallace turned to Miller: "How does that justify a national emergency?"
Wallace asked Miller for examples of past presidents calling a national emergency to secure money they were denied previously by congress out of the 59 times a national has been declared previously.
The money in the spending bill Trump signed would finance just a quarter of the more than 200 miles (322 kilometers) of barrier he wanted this year.
On CNN, Senator Sherrod Brown of OH, a potential Democratic candidate for president in 2020, put it another way, referring to a familiar Trump promise from the campaign trail last time out. "A Democratic president can declare national emergencies as well", she warned.
Undaunted, Miller, who was the architect of Trump's effort to ban visitors to the United States from several predominantly Muslim countries, claimed voters would likely see "probably a couple hundred miles [of border wall built] ..." Chris Coons (D-Del.) said Congress should prevent the president from "getting around" the congressional process.
Beyond that, though, the law doesn't say what constitutes a national emergency or impose any other limits on the president.
Becerra said the emergency declaration was legally vulnerable.
A two-thirds vote by both the House and the Senate would be required to defeat a Trump veto.
The question of whether Trump's act was constitutional dominated the Sunday talk shows, administration figures and allies saying Trump was within his apportioned powers, Democrats saying otherwise.
Officials said 38-year-old Tallmadge D'Elia of St Petersburg died when his exploding vape pen sent two fragments into his skull. Additionally, the shape of e-cigarettes makes them more likely to act like "flaming rockets" if a battery fails, the USFA said.
Real Madrid had a more comfortable path to the last four, beating Girona 4-2 at home and winning 3-1 away for a 7-3 aggregate win. Real and Barca are also set to renew hostilities in La Liga on March 2, meaning three Clasicos in the space of less than a month.
The mother of three kept her makeup look simple and refined, with a subtle smoky eye and a slightly glossy lip. As for accessories, Kate chose a small black clutch and a dainty pair of dangling earrings.
It's been a long time coming, but players finally have the option to merge various Epic Accounts into one single account. For those looking to take advantage of the merge process, the transferable items differ depending on game mode.
On Friday, AMI said that at the time of Bezos' allegations it was "in good faith negotiations to resolve all matters with him". In a deal announced with federal prosecutors late previous year , AMI said it would cooperate with those prosecutors.
Doug Ducey to fill McCain's seat. "The thing I have to do for my wife is to be able to think clearly and make good decisions..." Giffords, a former Arizona congresswoman, was shot in a 2011 assassination attempt while meeting constituents in Tucson.
If Patriots quarterback Tom Brady collects his sixth Super Bowl Ring, Newsom will be doing community service in Patriots colors. The city also is ready to cast aside 19-year-old memories of the ice storm that put a deep freeze on its last Super Bowl.
It promises to be a gripping occasion and the Wembley attendance will not be capped, meaning Spurs can hope for a huge crowd. Lloris calls for total concentration of the players and the presence of fans at Wembley to ensure victory.
Alexandria Ocasio-Cortez - denying her a coveted spot on a special panel on climate change and brushing off her Green New Deal". The proposals, which have come to be known as the Green New Deal, were crafted in conjunction with Senator Ed Markey of MA .
Those who continue to violate the human rights of ordinary Venezuelans under an illegitimate regime will be called to account. The Vatican didn't immediately respond to a request for comment on Maduro's appeal.
Respawn is not working on Titanfall 3
Once your squads are set, 60 people drop down to a large map to look for gear and begin battling it out with other squads. McCoy went on to talk about why they went with a surprise and sudden launch instead of hyping up the game beforehand.
Trail Production Plans Cancelled By Nissan
Sunderland Central MP Julie Elliott said "the downturn in the diesel market is what is being blamed" for the decision. The company said planned investment in the next-generation Juke and Qashqai, also announced in 2016, was unaffected.
Trump ally Roger Stone charged with mendacity
Roger Stone , a confidant of President Trump, walks out of the federal courthouse last Friday in Fort Lauderdale, Fla. There is no allegation in the indictment that Stone actually communicated with Wikileaks.