Donald Trump

President Trump told a group of small-business owners Tuesday that the nation's economic future has never looked brighter. But that future could be imperiled by Trump's own multifront trade war.

"Main Street is thriving and America is winning once again," Trump declared in a speech to the NFIB, a small-business lobbying group. "You know, we're respected again. This country is respected again."

The president touted surveys showing near-record business confidence, along with solid job gains and an expected rebound in economic growth.

Updated at 4:31 p.m. ET

The U.S. stock market fell sharply Tuesday in response to President Trump's recent threats to add another layer of tariffs on $200 billion worth of Chinese goods.

The Dow Jones industrial average closed down 287 points, or about 1.15 percent, marking its sixth straight daily drop. The broader S&P 500 index lost 11 points, or about 0.4 percent.

Updated at 12:15 p.m. ET Tuesday

President Trump and North Korean leader Kim Jong Un signed a broad statement Tuesday that calls for a "firm and unwavering commitment to complete denuclearization of the Korean peninsula," after their historic summit in Singapore — the first ever meeting between a sitting U.S. president and a North Korean leader.

When President Trump shakes hands with Kim Jong Un on Tuesday morning, it will mark the first time that a sitting U.S. president comes face to face with a North Korean leader. Trump once dubbed Kim "Little Rocket Man" and threatened "fire and fury" against his regime, but has expressed optimism about a potential deal with North Korea on denuclearization. "I just think it's going to work out very nicely," he said Monday. But he has also said he is prepared to walk away from the table if talks are not fruitful.

Updated at 10:25 p.m. ET

Leaving the Group of Seven Summit for Singapore, President Trump tweeted that he has instructed U.S. representatives to not endorse a joint communique issued by the G-7 leaders.

The president tweeted "Based on Justin's false statements at his news conference, and the fact that Canada is charging massive Tariffs to our U.S. farmers, workers and companies, I have instructed our U.S. Reps not to endorse the Communique as we look at Tariffs on automobiles flooding the U.S. Market!"

The Trump administration is refusing to defend key parts of the Affordable Care Act, essentially arguing that federal courts should find the health law's protections for people with pre-existing conditions unconstitutional.

The federal lawsuit hinges on the ACA's individual mandate, or the requirement to get health coverage or pay a penalty. The mandate has long been a sticking point for conservatives, who argue that the government should not be telling individuals what coverage they must have.

Updated at 1:25 p.m. ET.

President Trump is signaling he's willing to support a move toward the legalization of marijuana, which would be a departure from the position of his attorney general, Jeff Sessions.

Certain rituals have grown up around the use of the presidential pardon.

The most common is a lengthy review by the Justice Department on the merits of any such petition for a pardon.

But for President Trump, the pardon seems to have become the ultimate symbol of presidential power — the ability to use this exclusive authority as an act of benevolent largess and as the ultimate political perk.

Updated at 2:19 p.m. ET

The Foreign Emoluments Clause of the Constitution will be rendered meaningless if Democrats in Congress aren't allowed to sue President Trump for violating it, a lawyer for nearly 200 Democratic senators and representatives told a federal judge today.

"There's simply nothing Congress can do to stop the president's actions, no matter who's in control of the body," said Brianne Gorod, chief counsel of the Constitution Accountability Center, representing the Democratic lawmakers.

New figures released by Department of Homeland Security show that more than 50,000 people were arrested attempting to illegally cross the southern border last month. The new numbers come as the Trump administration is trying to enforce a crackdown on illegal immigration at the border.

In a statement, DHS Press Secretary Tyler Q. Houlton said,

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