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The NYSE and the Nasdaq will both observe Martin Luther King Jr. Day by being closed.

"The irony is that defeating the Islamic State is what the president said from the beginning was his goal," wrote McGurk, a diplomat who served in the Trump administration.

U.S. Army Sergeant Cameron A. Meddock, whose wife was expecting their first child, was on his second deployment to Afghanistan.

"The retreat from Syria announced by our American friends cannot make us deviate from our strategic objective—eradicating Daesh," the French president said.

Paul said the president believes "we've been at war too long and in too many places."

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Around 1 billion people currently go hungry, but about 2 billion people are overeating, The Lancet commission showed.

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"The caliphate has crumbled and ISIS has been defeated," the vice president said hours after the apparent suicide attack.

A number of U.S. troops have reportedly been killed by a suicide bombing in the northern Syrian city of Manbij.

A man of incredible resolve, in the brig my brother actually uttered the words: "It may have been better if they killed me over there. At least I knew who the enemy was."

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The American captured is reportedly only 16 years old.

Turkey has denied U.S. assurances of protection for Pentagon-backed Kurds in Syria, prompting anxieties that have compelled them to embrace Russia and the Syrian government.

"What we need is actually rational policy in Syria, on border security. All we have is the emotional rantings of a child," Congressman Adam Smith said.

"Transformation should be accompanied by hope," Tennessee Governor Bill Haslam wrote. 

"We have won against ISIS. We've beaten them, and we've beaten them badly," Trump tweeted on December 19, but now said the U.S. will continue to fight the Islamic state militant group in Syria.

"These allegations are malicious and shameless, and I know that my husband did not do what is alleged, and I will stand by him and I know he will be exonerated of these charges," said the wife of Special Operations Chief Edward Gallagher.

Moscow has said that Paul Whelan was caught while accepting a USB stick with the names of employees at a secret state organization.

Rashida Tlaib and Ilhan Omar are the first Muslim women to take office in the U.S. House of Representatives.

Responding to the top anti-ISIS official's resignation, President Donald Trump said he did "not know" him.

"He promised to destroy ISIS. He's going to keep that promise," the Republican senator said about the president.

Egyptian officials said at least two people were killed in the blast.

"What [presidents] don't do is politicize the event, and unfortunately, as we saw some of the commentary by the president today, that's exactly what he did," retired Lieutenant General Mark Hertling told CNN.

The visit came one week after President Donald Trump announced the withdrawal of U.S. troops from Syria.

"I am very disappointed in the president that he would do this in this fashion," Rick Santorum said.

"ISIS presents a very real threat to the long-term stability in this region and our mission remains the same, the enduring defeat of ISIS," said Major General Christopher Ghika, Operation Inherent Resolve deputy commander.