Andrew Chang explains why unblocking the world's most vital energy chokepoint is much harder than it may seem. Images provided by The Canadian Press, Reuters and Getty Images »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/3leaWsr Subscribe to CBC News on WhatsApp: https://www.whatsapp.

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