Picha Za Mke Wa Rais Obama Zilizotamba mwaka 2015

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US President Barack Obama (L) and First Lady Michelle Obama (R) wave as they arrive to address the Congressional Black Caucus (CBC) Foundation's 45th Annual Legislative Conference in Washington, DC, on September 19, 2015. AFP PHOTO/ JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)

WASHINGTON, DC, UNITED STATES - 2009/11/24: First Lady Michele Obama waits for U.S. President Barack Obama to welcome Manmohan Singh, India's prime minister, and his wife Gursharan Kaur during a welcoming ceremony in the East Room of the White House. (Photo by Stephen J. Boitano/LightRocket via Getty Images)