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Elsewhere:

'Concussion symptoms': U.S. officials confirmed late Thursday that some American troops were injured in Iran's missile attacks on American service members in Iraq despite prior claims that no one was hurt.

'Hard decisions': A Pentagon decision that could lead to a reduction in the number of U.S. troops in West Africa could come within four to eight weeks, according to the chairman of the Joint Chiefs of Staff.

'A successful democracy': Taiwan President Tsai Ing-wen called for China to respect Taiwan's sovereignty and its commitment to democracy, just days after she won reelection in a landslide victory.

From our friends at FiveThirtyEight:

FiveThirtyEight's Clare Malone takes an in-depth look at what the Sanders vs. Warren battle is really about.

Doff your cap:

Firefighters battling Australia's devastating wildfires successfully embarked on a secret mission to save the country's prehistoric -- and extremely rare -- Wollemi pine trees from the bushfires ravaging the country, officials said.

The country's Minister of Energy and Environment said that thanks to the mission, the trees that \"survived the dinosaurs ... look like they'll survive these bushfires.\"

\"PHOTO:
NSW Department of Planning, Industry and Environment
PHOTO: Wollemi Pines are pictured in the Blue Mountains in Australia, Jan. 9, 2020. A specialist team of remote firefighters have helped save the pre-historic species known as "Dinosaur trees" from this season’s bushfires.
>

The operation involved air tankers spraying fire retardant and firefighters setting up an irrigation system in the gorge where the trees are located to increase moisture content on the ground.

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