Colin Dwyer

The video of about a dozen hefty Siberian tigers chasing and batting a flying drone from the sky seemed a lighthearted reprieve from the more serious news of the day. But since sharing the footage, we've become aware that it may conceal a darker story.

From humble origins as the daughter of Eastern European immigrants, raised in the Bronx in the depths of the Great Depression, Mildred Dresselhaus scaled to great heights in the scientific community and attained the status of royalty — even if only in nickname.

At a joint news conference in Mexico City on Thursday, Secretary of State Rex Tillerson acknowledged the tension between the U.S. and Mexico. After talks with his Mexican counterpart, Foreign Minister Luis Videgaray, Tillerson said that "in a relationship filled with vibrant colors, two strong sovereign countries, from time to time, will have differences."

It has been three-quarters of a century since President Franklin Delano Roosevelt signed Executive Order 9066. The order, issued just over two months after Japan's surprise attack at Pearl Harbor, gave the U.S. military the ability to designate areas "from which any or all persons may be excluded."

In the span of a single sentence, President Trump managed to flummox a nation.

"We've got to keep our country safe," Trump said at a campaign-style rally Saturday in Melbourne, Fla. "You look at what's happening in Germany, you look at what's happening last night in Sweden — Sweden, who would believe this?"

Swedes, in turn, answered Trump's question with a question of their own: "Wait — what?"

The Iraqi offensive to retake the western half of Mosul has begun, Prime Minister Haidar al-Abadi announced Sunday. The long-awaited assault comes just over a month after Iraqi forces largely cleared Islamic State militants from the districts east of the Tigris River in the major Iraqi city.

To paraphrase an age-old saying: If at first you don't succeed, well, dust off the historic launch pad and try another liftoff.

Updated at 3:50 p.m. ET

Many only know Norma McCorvey by a name that's not hers.

Under the pseudonym Jane Roe, McCorvey became the central figure of Roe v. Wade, the landmark 1973 Supreme Court ruling that legalized abortion in the U.S. But in the decades that followed, the complex woman came to serve as a champion at times for both sides of the deep divide over abortion rights.

In a surprising move, China's commerce ministry has announced that the country would be suspending its coal imports from North Korea. China released a statement Saturday saying that the freeze in imports will begin Sunday and will be in place through the end of the year.

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