Amanpour: Lawrence Summers, Katharine Hayhoe and Lenny Kravitz

Lawrence Summers, the Harvard University Professor joins Christiane Amanpour to discusses the China-U.S. trade war and the ongoing talks between the two countries. Atmospheric Scientist Katharine Hayhoe talks about how she bridges the divide between science and religion. In the second part of our Hari Sreenivasan's interview with rock star Lenny Kravitz, he discusses his relationship with his daughter and his charity work. via Knit