Local experts analyze Trump's jabs at UN, climate change and immigration policies during speechPresident Donald Trump's UN speech Tuesday included jabs at the United Nations and commentary on climate change and immigration policies. President Donald Trump's UN speech Tuesday included jabs at the United Nations and commentary on climate change and immigration policies. President Donald Trump's UN speech Tuesday included jabs at the United Nations and commentary on climate change and immigration policies. President Donald Trump's UN speech Tuesday included jabs at the United Nations and commentary on climate change and immigration policies. "It's not that every president is a huge fan of the United Nations or multi-lateralism, internationalism.