Donald Trump prepares to give the 2018 US State of the Union address.
Trump is not the first US president to talk about border security, but he is the only one to make it an "urgent national crisis". Here is a handy deconstruction of President Trump's rhetorical strategy.
A TSA employee visits a food pantry.
AP Photo/Patrick Semansky
In these cases, what matters is how much pressure an employer puts on their employee to do the work.
Federal and university employees normally work side by side on many big science projects.
Lots of academic scientists collaborate with federal employees and resources on their research projects. And at the moment they can't. A climatologist explains the bind they're in.
Food donated for TSA workers who continue to work without pay.
AP Photo/Keith Srakocic
As people say thanks to those who are turning up for work without being paid, an expert explains what true gratitude really means.
‘I only want a wall!’
According to Gallup, 88% of Republicans currently approve of the president – so why's he so worried about his wall?
Ongoing wildlife studies are one kind of federally funded research that’s sidelined during a shutdown.
Setting aside personal hardships for workers who don't see a paycheck during the shutdown, the research enterprise itself loses out, too. And unlike back pay, this lost time can never be made up.
Families are feeling the pinch of the government shutdown.
AP Photo/Rick Bowmer
Because many Americans live paycheck to paycheck, the loss of even one can be a big financial blow for a family.
Federal employees rally to call for an end to the partial government shutdown.
AP Photo/Pablo Martinez Monsivais
The government has been partially closed since Dec. 22, making it the second-longest shutdown on record. A finance professor who studied the 2013 shutdown explains the economic impact.
Trump meets with Schumer and Pelosi at the White House in December.
Trump, Schumer and Pelosi have fallen into a classic negotiation trap that often prevents deals from getting made, which has led to the shutdown stalemate.
Presidents have traditionally given Oval Office addresses during only the gravest of crises.
AP Photo/Carolyn Kaster
We asked experts on ethics, constitutional law and European political history to analyze Trump's Oval Office address. Here's what they heard in his speech about 'crisis' at the US-Mexico border.
President Donald Trump on the South Lawn of the White House.
AP Photo/Alex Brandon
The popular opinion is that presidents win government shutdowns, but a review of polling evidence paints a different picture.
Members of Congress, including House Speaker Nancy Pelosi of Calif., second from right, walk toward the Capitol building, Jan. 4, 2019.
Banned since 2011, pork-barrel spending may well help Congress pass bills on schedule. Now, a powerful Democratic lawmaker said she'd like to resurrect the practice to make passing budgets easier.
Will Congress avert another shutdown?
AP Photo/J. Scott Applewhite
With President Trump insisting on funding for his border wall and Democrats vehemently opposed, a partial government shutdown is possible. Here's what it could mean for the economy.
Before the government shutdown, Donald Trump exceeded a 40% approval rating for the first time since May 2017.
The strong US economy has improved Donald Trump's ratings in the last month.
The sun casts a shadow over the Capitol on Friday, Jan. 19.
AP Photo/Jacquelyn Martin
No one will be turned away at the emergency room because of the shutdown. But it will take the government longer to respond to public health crises.
The Lincoln Monument was a casualty of the last shutdown, in 2013.
(AP Photo/Carolyn Kaster
The 2013 shutdown offers some clues as to what the impact will be now after Republicans and Democrats failed to agree to a short-term spending deal.
Just a little obstruction at the Senate.
Republicans were able to push through a tax plan and a flurry of judicial nominees after the Senate curtailed use of the filibuster. It's time to go all the way.
Hundreds of people march along a levee in South Texas to oppose a border wall.
AP Photo/Eric Gay
Trump has threatened a showdown over funding his proposed barrier between the U.S. and Mexico. Our experts offer a primer – from a history of walls to costs.
Welcoming the world for centuries (and causing trouble for almost as long).
The reputation of the American political system both at home and abroad has taken a battering of late. A recent poll showed the overall approval rating for Congress at just 11%, falling from what were…
Hurry up Washington, the world it waiting.
NASA Earth Observatory
The US debt crisis is over for now, but legislators have just kicked the can down the road. In this series on the US debt ceiling, academics from Australia, the UK and the US assess the lingering global…