From CBS News Headquarters in New York, this is the CBS Evening News.

Here come the tariffs. Good evening. I'm John Dickerson.

I'm Maurice Dubois. President Trump is making it more expensive for Mexico and Canada to get their products through America's front door, and that could increase the

cost of the packages left on your front porch. At a time when three out of four Americans are

telling CBS News their incomes are not keeping up with inflation. At a minute past midnight, a 25%

tax takes effect on imports from America's closest and biggest trading partners.

The announcement had investors running for the exits.

NVIDIA, GM, and Amazon let a sell-off that saw the Dow plunge nearly 1.5%.

The NASDAQ, more than 2.5, and the S&P, 1 and 3 quarters percent.

Ouija Zhang is at the White House.

Ouija.

Well, President Trump says Canada in Mexico must face those tariffs because they have failed to stop the flow of fentanyl into the U.S.

And for the same reason, he's bumping up the fee on Chinese imports.

Tonight, economists warn this could spark a trade war that will cost consumers.

After following through on his threat.

The tariffs, you know, they're all set.

They go into effect tomorrow.

President Trump says there's a simple solution for countries that want to avoid tariffs.

What they have to do is build their car plants, frankly, and other things in the United States,

in which case they have no tariffs.

To make his point today, Trump hosted the CEO of a Taiwanese semiconductor chip

manufacturing company who pledged to invest $100 billion in new manufacturing plants in the U.S.

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