The president is betting that harnessing the power of the sun will decrease the cost of the wall.
With the travel ban and border wall stalled, Trump turns to cruelty to keep immigrants out.
The money will cover the cost of new barriers in Texas and California.
The German chancellor grew up in Eastern Germany before the fall of the Berlin Wall.
Donald Trump is not the only leader in the Americas upsetting his neighbors by building a wall.
The bill includes measures such as five-year prison sentences for those re-entering the U.S. illegally after having been deported and the forced use of electronic ankle monitors.
Trump's team claim he "won" even after getting less border wall funding than he wanted.
Democrats want the spending bill to keep government open to include a funding guarantee for Obamacare subsidies, and no policy riders.
Last time the government shut down it cost about $24 billion in economic output. Here's what you need to know about the potential 2017 shutdown.
In threatening to shut down the government, President Trump gives Democrats the upper hand.
"Eventually, but at a later date so we can get started early, Mexico will be paying, in some form, for the badly needed border wall," Trump said in a Twitter post.
Trump wants the money included in spending legislation that Congress must pass by Friday to keep the federal government operating through Sept. 30.
The head of Homeland Security said the wall would not be completely physical, with parts made up of electronic surveillance.
'American carnage' is the president's promise to communities of color, via an assault on voting rights, immigration raids, visa restrictions and more.
Republican Senator Roy Blunt said money for the wall likely would not be part of a spending bill that must pass by April 28 to avoid shutting down federal agencies.
Building a wall is expensive symbolism; it won't prevent catapults, submarines or laundered cartel money.
Foreign Minister Luis Videgaray said Mexico could respond to any tax the United States were to unilaterally impose on imports from its southern neighbor to finance the wall with levies on select goods.
Building such a wall could have far-reaching consequences for the ecological landscape of the U.S. and Mexico.