Regional spread: Lebanon and Hezbollah front

Fallout from the U.S. and Israel's war on Iran continues to expand throughout the Middle East as Iran retaliates with widespread attacks in the region and Israel launches waves of missiles on Lebanon in response to attacks by Hezbollah. Former Canadian ambassador to the UN Bob Rae describes the diplomatic role Canada can play to avoid a larger regional war. The Stimson Center's Randa Slim brings us the view from Beirut. Plus, Canada's last head of mission in Iran Dennis Horak, lawyer and human rights activist Kaveh Shahrooz and University of Ottawa professor Thomas Juneau discuss U.S. President Donald Trump's changing comments about his endgame for Iran.