Scott Horsley

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Updated at 8:09 p.m. ET

President Trump says he was unaware that his attorney paid $130,000 to an adult film actress shortly before the 2016 election to prevent the woman from talking about an alleged sexual encounter with Trump.

The president told reporters traveling on Air Force One on Thursday that he didn't know where the money came from or why the payment was made.

"You'll have to ask Michael Cohen," Trump said. "Michael is my attorney. You'll have to ask Michael."

Updated at 8:01 p.m. ET

The nation's top environmental official kept busy Wednesday trying to clean up his own reputation, while a White House spokeswoman offered only a tepid defense.

Updated at 6:35 a.m. ET on Wednesday

China responded on Wednesday to the Trump administration's published list of Chinese exports that could soon be subject to a steep 25 percent tariff.

The White House list covers some $50 billion worth of Chinese goods in sectors such as aerospace, robotics, IT and machinery.

Updated at 4 p.m. ET

President Trump says he wants to use military troops to help secure the U.S. border with Mexico. He made the suggestion Tuesday during a White House summit meeting with Baltic leaders.

Trump also renewed his call for a quick withdrawal of U.S. forces in Syria. And he expressed support for embattled EPA Administrator Scott Pruitt.

Since the weekend, Trump has been tweeting about a caravan of Central Americans, most of them from Honduras, who are making their way north through Mexico.

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The Trump administration has reached an agreement in principle on a new trade deal with South Korea.

The pact permanently exempts South Korea from a new 25 percent tariff that President Trump has ordered on imported steel. In exchange, South Korea will reduce its steel exports to the U.S. by about 30 percent from the level of recent years. South Korea has been the third-largest supplier of foreign steel to the U.S., behind Canada and Brazil.

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Updated at 1:45 a.m. ET on Friday

In a major escalation of the president's "America First" trade policy, the Trump administration is preparing to impose stiff tariffs on Chinese imports. The goal is to reduce the U.S. trade deficit with China by $50 billion. President Trump is also calling for new limits on Chinese investment in U.S. technology, in an effort to protect what the administration calls America's "economic seed corn."

President Trump may have brought one of his favorite tools for dealing with staff in the business world with him into the White House: confidentiality agreements.

President Trump outlined a wide-ranging plan to combat the opioid epidemic on Monday, including an ad campaign to discourage drug use, expand addiction treatment and pursue a get-tough approach to law enforcement.

"Whether you are a dealer or doctor or trafficker or a manufacturer, if you break the law and illegally peddle these deadly poisons, we will find you, we will arrest you, and we will hold you accountable," Trump told an audience in Manchester, N.H.

"Failure is not an option," he added. "Addiction is not our future."

Shortly after announcing a major shake-up on Twitter on Tuesday, President Trump told reporters, "We're getting very close to having the Cabinet and other things that I want."

Trump wished outgoing Secretary of State Rex Tillerson well but said he expects a more simpatico relationship with Mike Pompeo, the current CIA director whom the president has tapped to be the nation's top diplomat.

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In his first formal policy response to the deadly school shooting in Parkland, Fla., last month, President Trump is setting up a federal commission to explore school safety. He's also endorsing legislation to improve background checks, and urging states to pass laws temporarily keeping guns out of the hands of people judged to be dangerous to themselves or others.

A policy proposal unveiled Sunday evening has Trump renewing his support for arming teachers and other school employees on a volunteer basis. He stopped short of endorsing a higher age limit for would-be gun buyers.

Updated at 2:58 a.m. ET

President Trump has agreed to a face-to-face meeting with North Korean leader Kim Jong Un "at a place and time to be determined," White House press secretary Sarah Huckabee Sanders said in a statement Thursday.

The announcement came in response to a stunning invitation from Kim, relayed by South Korea's national security adviser, Chung Eui-yong, who briefed Trump and other U.S. officials on Chung's recent meeting with Kim in Pyongyang.

Updated at 4:47 p.m. ET

President Trump ordered steep tariffs on imported steel and aluminum from every country except Canada and Mexico. It's the boldest move to date for the president who campaigned on a protectionist platform that is sharply at odds with Republicans' free trade orthodoxy.

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Updated at 8:40 p.m. ET

President Trump's looming trade war has already claimed its first victim: White House economic adviser Gary Cohn.

Cohn, a former Goldman Sachs executive and free trade advocate, announced his plans to resign Tuesday, less than a week after Trump called for stiff tariffs on imported steel and aluminum.

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President Trump has struck a deal with the Boeing Co. to supply the next generation of Air Force One.

A White House spokesman said Trump agreed to pay $3.9 billion for two customized 747s. That's somewhat below the price tag Trump complained about before taking office.

Updated at 3:37 p.m. ET

During a gathering with governors at the White House, President Trump called for strengthening school defenses and improving the "early warning" system in response to this month's deadly school shooting in Parkland, Fla.

"Our nation is heartbroken," Trump said. "We'll turn our grief into action."

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If the Trump administration starts a trade war, Kentucky bourbon may get caught in the crossfire.

The administration is weighing strict new limits on imported steel and aluminum in hopes of shoring up homegrown metal industries. But European allies are warning of possible retaliation, including tariffs aimed at politically sensitive products such as bourbon and orange juice.

"That's what a lot of countries will look to do," said Rufus Yerxa, president of the National Foreign Trade Council. "Something that will get the Trump administration's attention."

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The Commerce Department on Friday recommended setting strict new limits on imported steel and aluminum, saying action is needed to shore up U.S. industries vital to national security.

The recommendations, made after a 10-month investigation, are based on a seldom-used statute that aims to protect critical defense-related businesses.

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