Quite frankly, I don't think he follows through, at least not fully. I would love to see that be the case, but he's simply bent too many times for me so far to believe he'll fully stand his ground. I think he'll do as he's doing now and then blame it on someone else when it doesn't get funded. And that very well may be the case, and better things to spend the money on, or less money - but then don't lay claim to something you won't actually claim. But one can hope.
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Trump vows government shutdown to force funding for border wall
President Donald Trump threatened to shut down the government if lawmakers do not fully fund his proposed border wall and enact his immigration priorities.
Trump’s Sunday tweet is likely to spark a high stakes showdown with Democratic lawmakers who have pledged not to give in to his demands. The fight could lead right into the November midterm elections and put immigration as a centerpiece issue in the last stages of the campaign season.
Trump has long been frustrated by lack of effort to fully fund his proposed $25 billion wall along the U.S.-Mexico border. The White House originally tried to enact wall funding and immigration priorities by tying demands to an expiration of DACA. The DACA program allowed hundreds of thousands of illegal immigrants brought to the U.S. as children to remain in the U.S. and work without consequences.
http://dailycaller.com/2018/07/29/tr...all-shut-down/