Former President Donald Trump eyes a definitive win in the Iowa caucuses as his Republican challengers vie to be his top alternative. We’ll look at the impact the extreme cold is having in the US. Boeing says it'll give airlines more oversight over the production of 737 Max 9 planes. The number of people displaced by the war in Sudan spiked over the past month. Lastly, Apple has an approved fix to get around its smartwatch ban, but it could mean one less feature.

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