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<span style="font-weight: bold">News Source: CNN - </span>
<span style="font-weight: bold">It's been a quarter-century since the tr...ck on that d...</span>
It's been a quarter-century since the tragic Challenger explosion. CNN takes a look back on that day with clips from 1986 [VIDEO] http://on.cnn.com/fbVrFG. What were you doing when the Challenger exploded?
<span style="font-weight: bold">It's been a quarter-century since the tr...ck on that d...</span>
It's been a quarter-century since the tragic Challenger explosion. CNN takes a look back on that day with clips from 1986 [VIDEO] http://on.cnn.com/fbVrFG. What were you doing when the Challenger exploded?
