U.S. President Barack Obama lays a wreath at the Hiroshima Peace Memorial in Japan. Learn more about his historic visit, the first by a sitting U.S. president: http://cnn.it/1TZSFt2 | CNN

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First Lady Michelle Obama gave her final speech at the White House Friday. She spoke at a ceremony for high school counselors who demonstrated leadership skills. In her emotional speech, she spoke of the importance of a college education and hope. She told young people, "Don't be afraid. Be focused. Be determined. Be hopeful. Be empowered. Empower yourself with a good education. Then get out there and use that education to build a country worthy of you boundless promise. Lead by example with hop