NEW YORK, NY - SEPTEMBER 20, 2016 : John Chambers, Executive Chairman, Cisco participates in a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : John Chambers, Executive Chairman, Cisco participates in a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : Former U.S. President Bill Clinton delivers a speech during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : John Chambers, Executive Chairman, Cisco participates in a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : John Chambers, Executive Chairman, Cisco participates in a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : Camil Durakovic, Mayor of Srebrenica, Bosnia and Herzegovina, participates in a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : Former U.S. President Bill Clinton shakes the hand of Sir Andrew Witty, Chief Executive Office, GSK while Clara Doe Mvogo, Mayor of Monrovia, Liberia looks on after a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)

NEW YORK, NY - SEPTEMBER 20, 2016 : Former U.S. President Bill Clinton enters the stage for a panel discussion during the annual Clinton Global Initiative on September 20, 2016 in New York City. Since 2005, the CGI has coincided with the opening of the UN General Assembly, bringing together political and business leaders to help promote philanthropy on a global scale. (Photo by Stephanie Keith/Getty Images)