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First lady Michelle Obama speaks during a USO and Sesame Street event honoring National Guard members and their families Thursday, April 14, 2011, in Columbus, Ohio. The event highlighted how several businesses have made commitments to ensure transferability to military members and their spouses.

(AP Photo/Jay LaPrete)

First Lady Michelle Obama

As the First Lady of the United States, Michelle Obama has become an advocate for healthy eating, veterans and military families, poverty awareness and women's rights. She has also become a fashion icon and has been named by Forbes Magazine as the eighth most powerful woman in the world.