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Without hesitation, George Shultz leaned forward in his chair and named two issues in a solemn tone: nuclear weapons, climate change. The subjects may seem oddly paired, unless you knew I had just asked him, "What keeps you up at night?"

A campaign to stop the Bank of England from using animal fat to make its plastic banknotes has failed.

Six years ago, Tony Hillery was volunteering at a New York City public school in Harlem.

Seven years ago, Tony Hillery was volunteering at a New York City public school in Harlem.

Sorry, Mr President, but the US can't get out of Afghanistan. Not now, maybe never. The only real question is how deep do we stay and for how long?

Read CNN's Fast Facts about the Cannes Film Festival that is held annually in Cannes, France.

On an urban farm in New York City, 23-year-old Edgar turned his life around with the help of CNN Hero Tony Hillery and his nonprofit, Harlem Grown.

A North Korean plan to fire four missiles near the US Pacific territory of Guam will be ready for Kim Jong Un's consideration in days, state media has reported, as an unprecedented exchange of military threats between Washington and Pyongyang intensifies.

President Donald Trump effectively ad-libbed his way into a test of wills with North Korean leader Kim Jong Un and an unpredictable cycle of escalation -- largely due to both men's propensity for white-hot rhetoric and a desire to project strong leadership.

There is something that instinctively scares us when we see slavish military synchronicity.

In 2005, the DEA embarked upon an unprecedented operation: capturing a man described as "the most prolific drug dealer in the world."

US Defense Secretary James Mattis issued a dramatic ultimatum to North Korea on Wednesday to "cease any consideration of actions that would lead to the end of its regime and destruction of its people" -- strong words that come just one day after President Donald Trump warned that the US could unleash "fire and fury" on Pyongyang.

Kenya's opposition leader Raila Odinga has claimed the country's election systems were "hacked," leading to "massive" voting fraud following Tuesday's presidential elections.

Europe is facing a major butter crisis.

Despite bellicose rhetoric coming from US President Donald Trump and North Korean leader Kim Jong Un, analysts say there are no signs the US is planning a first strike on North Korea or that Kim will make good on threats to hit the US territory of Guam.

CNN's Chris Moody looks at what Trump has said in recent years about the growing North Korean crisis.

The creators of the New York High Line are, in many ways, the Steve Jobs of the urban planning world.

Gen. James Spider Marks, former military intelligence officer in South Korea, breaks down North Korea's military strategy if a strike were to occur on its neighbor.

Today, President Trump promised North Korea a "fire and fury like the world has never seen" if it continues to threaten the United States. His remark came on the heels of a news article that cited an intelligence assessment claiming Pyongyang had successfully miniaturized a nuclear warhead. Miniaturization is a critical step toward being able to mount such a device onto a missile -- so, if the report is true, it's certainly worthy of due concern by those charged with our national defense.

US Secretary of State Rex Tillerson has sought to allay fears of a military confrontation with North Korea after President Donald Trump warned he could unleash "fire and fury" on the pariah state.