Trump's ominous warning to Ukraine after Putin call

Fox News contributor Dan Hoffman joins 'Fox & Friends' to discuss the latest on the fallout from Ukraine's bombing of a bridge connecting Russia and Crimea and the push for NATO defense spending. #trump #putin #russia #ukraine #foxnews #worldnews #zelensky #politics #usa #nato #foreign #news #world Subscribe to Fox News! https://bit.ly/2vBUvAS ...