REPLAY DISPONIBLE ICI : http://www.campus-channel.com/fr/live/300/concours-commun-des-6-iep-le-concours-commun-des-6-iep.html QUESTIONS : 1:06::Le Speech 3:4… Video Rating: 4 / 5 President Obama Speaks at the 150th Anniversary of the National Academy of Sciences April 29, 2013 | 18:44 | Public Domain President Obama delivers remarks a… Video Rating: 5 / 5