Good Tuesday morning, and welcome back. Situational awareness: Bitcoin dropped 10% in an hour, and fell as much as 20%, after South Korea repeated that the country may ban trading. There's been a big January selloff in cryptocurrencies. (Bloomberg)

"The Trump administration is taking its campaign against illegal immigration to the workplace," per N.Y. Times: Raids on dozens of 7-Elevens last week were the first big show of force meant to convey the consequences of employing undocumented people.

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