The Heat: Tiangong 2 and Chinas space exploration

o China has launched a space lab, Tiangong2, for astronauts signaling a new era in its race to explore outer space. CCTVs Guan Yang watched the launch and has this report. To discuss Chinas space exploration, tonights panel is joined by Yang Yuguang, a professor at the China Aerospace Science and Industry Corporation, Leroy Chiao, a retired NASA astronaut and former International Space Station commander, Victoria Samson, Washington director of the Secure World Foundation, Louis Brennan professor.