So how big will Donald Trump’s wall really be? The wall along the southwest border with Mexico was one of the president-elect’s signature campaign promises, as he railed against illegal immigration and vowed to seal the borders against criminals, terrorists and millions of people trying to enter the United States legally. Now, immigration experts are trying to figure out exactly how those policies will work in a Trump administration. And so far, it looks like he will be able to follow through on many of his pledges — with or without help from Congress.
Trump will have broad power to crack down on immigration
