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A bouquet of flowers and a magazine showing Maya Angelou on the cover lies outside a gate at the home of Angelou in Winston-Salem, N.C., Wednesday, May 28, 2014. Angelou, a Renaissance woman and cultural pioneer, has died, Wake Forest University said in a statement Wednesday. She was 86. (AP Photo/Gerry Broome)

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A memorial is shown outside a gate at the home of Maya Angelou in Winston-Salem, N.C., Wednesday, May 28, 2014. Angelou, a Renaissance woman and cultural pioneer, died Wake Forest University said in a statement Wednesday, May 28, 2014. She was 86. (AP Photo/Gerry Broome)

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Elaine Edwards flips through a copy of Maya Angelou's 'I Know Why The Caged Bird Sings' as she stops at a display put together in tribute to Angelou's books in a Barnes & Noble store, Wednesday, May 28, 2014, in Atlanta. Angelou, a Renaissance woman and cultural pioneer, has died, Wake Forest University said in a statement Wednesday. She was 86. (AP Photo/David Goldman)

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In this photo taken on May 20, 2014, junior Tanner Woepse carries out a tray full of planted impatiens starter plants into the new greenhouse during Plant Science class at Kiel High School in Kiel, Wis. The greenhouse is part of the new Agriculture Research Facility at the school. (AP Photo/Herald-Times Reporter, Sue Pischke) NO SALES

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In this photo taken on May 20, 2014, from left, junior Trevor Agnew, senior Aaron Field, agricultural teacher David Friend and senior Jordan Bonde (hidden) plant impatiens starter plants during Plant Science class inside the new head house that is connected to a greenhouse, which is part of the new Agriculture Research Facility at Kiel High School in Kiel, Wis. (AP Photo/Herald-Times Reporter, Sue Pischke) NO SALES

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In this photo taken on May 20, 2014, agricultural teacher David Friend waters impatiens starter plants that his plant science class just planted inside the new greenhouse, which is part of the new Agriculture Research Facility at Kiel High School in Kiel, Wis. Several Wisconsin high schools are building greenhouses to help teach students about aquaponics and sustainable agriculture. (AP Photo/Herald-Times Reporter, Sue Pischke) NO SALES