Hours after the U.S. invaded Venezuela to seize President Nicolás Maduro, President Trump sent a warning to the governments of Mexico, Cuba and Colombia that their countries could be next.
Why it matters: The stunning attack on Caracas follows Trump's recent assertion of his own version of the Monroe Doctrine, and the president's comments that the U.S is not afraid to put "boots on the ground" in the country suggest that the administration won't hesitate to have an ongoing presence in the region.
