The U.S. will overtake Saudi Arabia as the world's largest oil producer by 2020 due to a boom in shale oil. How will that impact global energy supplies and geopolitics? Liam Denning reports on the Markets Hub.
With "My Queue" you can quickly save videos to watch later.
To add an item to your queue just click the sign next to the video.
Once you've added a video visit "My Queue" to start watching!