First lady Michelle Obama, daughters Sasha and Malia, mother Marian Robinson, niece Leslie Robinson and nephew Avery Robinson are seen during a safari in Madikwe Game Reserve in South Africa on June 25. Charles Dharapak/AP
First lady Michelle Obama stands with daughters Sasha and Malia as she talks with Ian Kirby of Mokolodi Game Reserve before having a private dinner in Gaborone, Botswana, on June 24. Charles Dharapak/AP
First lady Michelle Obama stands with Karen Dudley (r.) at her restaurant 'The Kitchen' as she makes an unscheduled stop for lunch in Cape Town, South Africa, on June 23. Also pictured, from left to right, are daughters Malia and Sasha Obama, niece Leslie Robinson, and nephew Avery Robinson. Charles Dharapak/AP
First lady Michelle Obama stands with her mother Marian Robinson (l.) and daughters Sasha and Malia as they listen to former resident Noor Ebrahim as they visit the District Six museum, in Cape Town, South Africa, on June 23. Founded in 1867 as a mixed community of freed slaves, merchants, and immigrants, the apartheid government in 1965 declared it 'white' and forcibly removed 60,000 residents and bulldozed their homes. Charles Dharapak/AP
First lady Michelle Obama meets children as she visits the Emthonjeni Community Center in Zandspruit Township, Johannesburg, South Africa, on June 21. Charles Dharapak/Reuters
First lady Michelle Obama, and daughters Sasha, second right, and Malia, visit the Emthonjeni Community Center in Zandspruit Township, Johannesburg, South Africa, on June 21. Charles Dharapak/AP
First lady Michelle Obama (r.) and daughters Sasha (c.) and Malia take turns reading to children from 'The Cat in the Hat' by Dr. Seuss as they visit the Emthonjeni Community Center in Zandspruit Township, Johannesburg, South Africa on June 21. Charles Dharapak/Reuters
First lady Michelle Obama (2nd l.) visits the Nelson Mandela Foundation in Johannesburg, South Africa, on June 21. Pictured from left to right: Sello Hatang of the Nelson Mandela Foundation, Michelle Obama's mother Marian Robinson; Nelson Mandela's wife Graca Machel, Sasha Obama and Malia Obama. Charles Dharapak/Reuters
Former South African President Nelson Mandela posing with first lady Michelle Obama and her daughters Malia (l.) and Sasha at his home in Johannesburg, South Africa, on June 21. Debbie Yazbek/Nelson Mandela Foundation/AFP/Newscom
First lady Michelle Obama, her daughters Malia and Sasha, and Chile's first lady Cecilia Morell (l.) wave as they pose for pictures with folk dancers during a visit to the Mirador Interactive Museum, in Santiago, Chile, on March 21. Aliosha Marquez/AP
First lady Michelle Obama walks with her daughters Sasha (l.) and Malia on the South Lawn of the White House in Washington before their departure for a weekend to Camp David on November 7, 2009. Yuri Gripas/Reuters/File
Spain's King Juan Carlos welcomes US first lady Michelle Obama and daughter Sasha, on their arrival at the Marivent Palace, in Palma de Mallorca, Spain, on Aug. 8, 2010. The White House said Mrs. Obama was in Spain for a private trip with longtime family friends. Manu Mielniezuk/AP/File
First lady Michelle Obama and her two daughters, Malia and Sasha, walk up the stairs to Air Force One at Andrews Air Force Base in Maryland on Dec. 24, 2009, prior to flying to Hawaii for the holidays. Cliff Owen/AP/File
Michelle Obama, wife of then-Democratic presidential candidate Senator Barack Obama, stands on stage with daughters Sasha (c.) and Malia at the 2008 Democratic National Convention in Denver in this August 25, 2008 file photo. Damir Sagolj/Reuters/File
Michelle Obama told David Letterman she's not watching, but said every American voter should watch the Republican and Democratic conventions.
Michelle Obama says she isn't tuning in to this week's Republican National Convention. But that's just her.
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