美国有线新闻 CNN 特朗普签行政令实行移民新政 计划开建美墨边境墙

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Up next, major changes in the U.S. government's immigration policy.

DONALD TRUMP¹, PRESIDENT OF THE UNITED STATES: I just signed two executive orders that will save thousands of lives, millions of jobs, and billions and billions of dollars.

AZUZ: One of them that President Trump announced yesterday has to do with sanctuary² cities. These are cities that shelter people who are in the U.S. illegally. For example, police forces in these cities might not help U.S. government officials find and deport³ undocumented immigrants, unless they've committed certain crimes. President Trump wants to punish these cities for not cooperating with the federal government and he'd do that by taking away certain funds they get from the government.

"The Wall Street Journal" reports that the president's ability to this is limited without congressional approval, but that he could slow down the process of giving these cities certain grants.

Critics of the executive actions say President Trump doesn't have the constitutional authority to carry it out and that pressuring cities to deport illegal immigrants could tear families apart.

The other actions the president announced yesterday: add thousands of U.S. border patrol agents and thousands of other government officials to deport undocumented immigrants. This would require congressional approval to pay for.

And something the president repeatedly promised to do while campaigning — build a physical border wall between the U.S. and Mexico. President Trump says this will help the U.S. get back control of its borders and that the wall would help Mexico as well by discouraging illegal immigration from countries south of Mexico.

Mr. Trump plans to use U.S. government funds to pay for the construction and then get Mexico to pay America back. That's something Mexican leaders have said they won't do and critics say the wall would be a monumental waste of U.S. taxpayer⁴ money.