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Live in Times Square, this is Good Morning America. Good morning, America. We have a lot of news to get to this morning, including the acting head of the IRS, stepping down overnight.

We'll have the latest on that, and it's just six days before tax day.

Big news overnight. A sweeping new round of tariffs went into effect at midnight, including a 104% tariff on China.

That basically closes down all trade with

China. U.S. Customs Setters prepared to start collecting on 86 country-specific tariffs from

American trading partners. We are in a brand new financial world. This is a brand new world,

and the president has said some countries are already now negotiating deals with the U.S.,

but the trade war with China is clearly

escalating.

And we'll have team coverage from the White House to Wall Street, where the market tumbled

again Tuesday, but we're starting at one of the largest and most active ports in the country,

with so many of those goods coming to the U.S.

Trevor, all is at the Port of Newark Forest.

Good morning, Trevor.

Good morning, Michael, and we have had a ton of

developments overnight in these escalating trade wars. First, those tariffs that President Trump had

announced are now in effect as of midnight, and now we're seeing, most recently, the European

...