First: Donald Trump is putting the world on notice by threatening a trade war with Colombia until that country agreed to work with him to deport migrants from the US. His strong arm tactics worked ... but will they next time? 

Plus: It's Pete Hegseth's first official day at the Pentagon, and we're expecting him to receive multiple executive orders from President Trump that will reshape the military, including a ban on transgender troops. 

And: Tech stocks plunge after a surprise announcement from a Chinese AI startup that appears to threaten companies here in the US and has national security experts on edge. 

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