Trump's decision to blow up the Iran deal is a massive attack on Europe - Few ideas are as holy in President Trump's international liturgy as the concept of national sovereignty. His National Security Strategy speaks of a "beautiful vision - a world of strong, sovereign, and independent nations Trump team sends mixed signals to Europe - National security adviser John Bolton on Sunday carefully doubled down on President Donald Trump's threat that European countries could be sanctioned by the United States if they continue to be involved with Iran.