Joep Lange - a 'trailblazer and pioneer'

cnn tonight greg goncalves friend of researcher on mh17_00002617.jpg
cnn tonight greg goncalves friend of researcher on mh17_00002617.jpg

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    Joep Lange - a 'trailblazer and pioneer'

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Gregg Gonsalves remembers his colleague, MH17 victim Joep Lange, as an 'activist who threw himself into the crusade'