"NATO becomes far more formidable and effective with Greenland in the hands of the UNITED STATES," Trump wrote.
On Iran, Trump's threat to impose a 25% tax on imports from any countries doing business with the Islamic Republic could raise prices for U.S. consumers and further inflame tensions in a country where inflation is running above 40%.
And as Senate Republicans face intense pressure from Trump to vote down a war powers resolution Wednesday aimed at limiting him from carrying out more military action against Venezuela, an AP-NORC poll conducted after Venezuelan President Nicolás Maduro's Jan. 3 capture found that 56% of U.S. adults think Trump has overstepped on military interventions abroad, while majorities disapprove of how he's handling foreign policy.