Clinton’s lead shrinking Weeks before the first nominating contests, Hillary Clinton’s commanding lead over Vermont senator Bernie Sanders in the U.S. Democratic presidential primary is melting away 30 40 50 60 Oct 2015 Nov 2015 Dec 2015 Jan 2016 32% Bernie Sanders 41% Hillary Clinton 48% 52% *CBS/NYT poll based on sample of 1,276 Democratic primary voters between Jan 7-10. Margin of error ± 3.0 percent. Source: CBS/NYT * Pictures: Getty Images