Monday on the News Hour, President Trump promises more tariffs on Canada after trade talks break down. The U.S. threatens new sanctions on countries doing business with Iran now that the military conflict is in a stalemate. Plus, new reporting details how President Trump directly intervened in the government's lawsuit against the entertainment company Live Nation.

Monday on the News Hour, President Trump promises more tariffs on Canada after trade talks break down. The U.S. threatens new sanctions on countries doing business with Iran now…

Tuesday on the News Hour, Canada announces retaliatory tariffs against the United States as relations further deteriorate. The Supreme Court opens the door to new restrictions on…