Education

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President Obama delivers the commencement address May 14, 2012, to graduates at all-female Barnard College on the campus of Columbia University in New York. Barnard was the first college in New York City where women could receive the same liberal arts education available to men. (Associated Press)

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Tori Pinheiro (left) of New Bedford, Mass., the girlfriend of Austin Brashears, one of the students killed in the van crash in New Zealand, holds a candle during a vigil with others on Marsh Plaza at Boston University on Saturday after word of the fatal accident was received.

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Police examine the scene of a minivan crash near Turangi, New Zealand, that killed three Boston University students and hurt five others on Saturday. The students were studying in New Zealand and were on their way to a hiking destination when the driver lost control and the van rolled over. (Associated Press)

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Columbia University janitor Gac Filipaj, an ethnic Albanian who left his native Montenegro 20 years ago to escape war, give a thumbs-up during the School of General Studies graduation ceremony in New York on Sunday. (Associated Press)

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Boston University students, including Tori Pinheiro (third from right) of New Bedford, Mass., hold a candlelight vigil on the university's Marsh Plaza on Saturday, May 12, 2012, in Boston, for three students studying in New Zealand who were killed when their minivan crashed during a weekend trip. Miss Pinheiro was the girlfriend of Austin Brashears, one of the students who died. (AP Photo/Bizuayehu Tesfaye)

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** FILE ** Former Penn State Vice President Gary Schultz (left) and Tim Curley (right), who is on leave as the school's athletic director, enter a district judge's office for an arraignment in Harrisburg, Pa., in November 2011. (AP Photos/Brad Bower [left] and Matt Rourke [right])

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Vice President Joseph R. Biden Jr., gestures while speaking May 10, 2012, to students and educators about student loans at the White House. (Associated Press)

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** FILE ** Iranian technicians work with foreign colleagues at the Bushehr Nuclear Power Plant outside the southern port city of Bushehr, Iran, in this photo from Nov. 30, 2009, released by the semiofficial Iranian Students News Agency. (Associated Press/Iranian Students News Agency)

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Signs backing and against the Constitutional Marriage Amendment line a sidewalk outside a polling site at Leesville Road Middle School in Raleigh, N.C., on Tuesday. A constitutional amendment to ban gay marriage was driving turnout for the state's primary. (Associated Press)