President Obama delivers remarks at the Closing Session of the 2030 Agenda for Sustainable Development Goals in New York City. September 27, 2015.

The dilemma that politicians face is that they find it hard to be themselves under the gaze of the press and public. Journalist and broadcaster Steve Richards provides some humorous insights into how the public's inability to see politicians as human beings is the perfect breeding ground for comedy and tragedy to collide. In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience.

You might not expect the chief operating officer of a major global corporation to look too far beyond either the balance sheet or the bottom line. But Harish Manwani, COO of Unilever, makes a passionate argument that doing so to include value, purpose and sustainability in top-level decision-making is not just savvy, it's the only way to run a 21st century business responsibly. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.