The phase 1 U.S.-China trade deal relies heavily on far-from-certain purchases of manufactured goods and services to deliver its targets. Enforcement consequences are far from clear, leaving considerable uncertainty for supply chains. Also: TSMC faces defense pressure to shift chipmaking as U.S. demand wanes; Hapag-Lloyd the best of a bad lot as container lines suffer poor Q4; tariffs meet geopolitics once more, this time in the EU-U.S.-Iran situation; Amazon shrugs off DST, EU-U.S. relations might not; and Maersk questions regional champion role while XPO restructures.