Ricardo Hausmann, Professor of the Practice of International Political Economy at Harvard Kennedy School, suggests that the EU should tax Russian oil. Speaking with DW's editor-in-chief Manuela Kasper-Claridge, Hausmann said that it is more efficient than an oil embargo. Subscribe: null For more news go to: http://www.dw.com/en/ Follow DW on social media: ►Facebook: https://www.facebook.com/deutschewellenews/ ►Twitter: https://twitter.com/dwnews ►Instagram: https://www.instagram.com/dwnews Für Videos in deutscher Sprache besuchen Sie: null #Russia #Ukraine #wef22