Sebastian Thrun

On this Sunday's “On Assignment,” Airbnb co-founder and CEO Brian Chesky speaks to Lester Holt about what he likes to call “the worst idea that ever worked”: the birth and growth of the revolutionary home-sharing website and app, in Chesky's first network newsmagazine profile.

Welcome new citizens and celebrate American innovation. In the morning, we welcome new citizens in a Naturalization Ceremony in Flag Hall. Enjoy live performances by indie pop band Haerts and the presentation of the James Smithson Bicentennial Medal to scientist, educator, researcher, inventor and entrepreneur Sebastian Thrun.

From Thomas Edison's light bulb to Wilbur and Orville Wright's flying machine, inventors and inventions transform the way we communicate, travel and live our daily lives--thanks to the creative process of innovation. That process is highlighted in an educational video series released today.

A press conference was just held in Cologne, Germany for the live staging of the specacle 'Ben Hur Live.'Ben Hur will play at Lanxess Arena on 10 and 11 December. Photo: Henning Kaiser Photo Credit: © Henning Kaiser/DPA/ZUMAPRESS.com