Education

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This undated photo provided by the California Department of Motor Vehicles shows Arthur Arzola. The 26-year-old Humboldt State University admissions counselor, from Rancho Cucamonga, Calif., who was accompanying students on a visit to the campus, was identified by the Sacramento County coroner and the university as one of those who died in the fiery collision of a tour bus and FedEx truck on Interstate 5 near Orland, Calif. on Thursday, April 10, 2014. (AP Photo/California Department of Motor Vehicles)

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Police in riot gear stood guard following a celebration by University of Minnesota hockey fans after the Gophers last-second Frozen Four semifinal win, Friday, April 11, 2014, in Minneapolis, Minn. Hundreds of students and other hockey fans took to the streets in Dinkytown near campus to celebrate the victory over North Dakota Thursday night. (AP Photo/The Star Tribune, Jeff Wheeler)

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Police in riot gear stood guard following a celebration by University of Minnesota hockey fans after the Gophers last-second NCAA college hockey Frozen Four semifinal win, Friday, April 11, 2014, in Minneapolis, Minn. Hundreds of students and other hockey fans took to the streets in Dinkytown near campus to celebrate the victory over North Dakota Thursday night. (AP Photo/The Star Tribune, Jeff Wheeler)

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Police in riot gear stood guard following a celebration by University of Minnesota hockey fans after the Gophers last-second NCAA college hockey Frozen Four semifinal win, Friday, April 11, 2014, in Minneapolis, Minn. Hundreds of students and other hockey fans took to the streets in Dinkytown near campus to celebrate the victory over North Dakota Thursday night. (AP Photo/The Star Tribune, Jeff Wheeler)

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Police in riot gear stood guard following a celebration by University of Minnesota hockey fans following the Gophers last-second NCAA college hockey Frozen Four semifinal win, Friday, April 11, 2014, in Minneapolis, Minn. Hundreds of students and other hockey fans took to the streets in Dinkytown near campus to celebrate the victory over North Dakota Thursday night. (AP Photo/The Star Tribune, Jeff Wheeler)

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The Union players salute their fans following the third period of an NCAA men's college hockey Frozen Four tournament game against Boston College, Thursday, April 10, 2014, in Philadelphia. Union College won 5-4. (AP Photo/Chris Szagola)

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FILE - This combination of undated family photos shows, from left, Martin Richard, 8, Krystle Campbell, 29, and Lingzi Lu, a Boston University graduate student from China. Richard, Campbell and Lu were killed in the bombings near the finish line of the Boston Marathon on April 15, 2013, in Boston. (AP Photo/File)

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This 2013 photo provided by Miguel Serrato shows twin sisters Marisol Serrato, 17, left, and Marisa Serrato, right, with their sister-in-law Ivette Serrato during a wedding in Riverside, Caif. The twins were part of the group more than 40 high school students whose trip to visit a college turned tragic when a FedEx tractor-trailer veered across a grassy highway median and slammed into their bus in a wreck that left 10 people dead, authorities said. Marisa was one of the twins on the bus that crashed but is still unaccounted for. Marisol was on another bus that wasn't in the accident. (AP Photo/Courtesy Miguel Serrato)