President Obama on the Necessity of Science

President Obama Admits It: He's a Science Nerd

President Obama Was a Total Kid at the White House Science Fair

President Barack Obama Surprise: The President Barack Obama In Public Place

2017 President Obama vs 2008 President-Elect Obama

2016 President Obama Chats with 2009 President Obama

Obama in India_ US President Obama attends 'At Home' reception by President Pranav

President Obama State of the Union Speech VIDEO Part 1 President Obama State of the Union Address

President Obama and First Lady Michelle Obama Greet President-Elect Donald J. Trump and Wife Melania at The White House on Inauguration Day

Obama in India: US President Obama attends 'At Home' reception by President Pranab Mukherjee

Barack Obama For President 2008, barac obama, barrak obama

Acting president stresses necessity of THAAD during interpellation session

President Milei announced the signing of a Decree of Necessity and Urgency (DNU).

Acting president stresses necessity of THAAD during interpellation session

Acting president stresses necessity of THAAD during interpellation session

Argentina: human rights organizations reject the Decree of Necessity imposed by president Milei

President Moon meets with former U.S. President Obama and IOC President

President Moon meets with former U.S. President Obama and IOC President

President Moon meets with former U.S. President Obama and IOC President

President Moon meets with former U.S. President Obama and IOC President

President Moon meets with former U.S. President Obama and IOC President