Tensions Rise as Russia Tightens Grip on Crimea | Affordable Healthcare? It Depends Where You Live | Fracking Takes Toll on Texas Air

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Soldiers who were among several hundred that took up positions around a Ukrainian military base walk towards their parked vehicles in Crimea on March 2, 2014 in Perevalne, Ukraine.
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Tensions Rise as Russia Tightens Grip on Crimea | Affordable Healthcare? It Depends Where You Live | Fracking Takes Toll on Texas Air | Examining Our Decaying Infrastructure | Literature Offers Lessons For Growing Russian-Ukrainian Crisis | Oscar Pistorius Trial Gets Underway