News Wrap: Climate deal negotiators move into critical phase

In our news wrap Monday, negotiators on a global climate deal began the second and final week of the UN conference in Paris. A draft agreement was released over the weekend, which left all of the critical disputes unresolved. Also, Democratic presidential candidate Sen. Bernie Sanders outlined his own climate plan, which aims to cut U.S. carbon pollution 40 percent from 1990 levels by 2030.