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Korean car giant invests in Silicon Valley start-up after VW pulls out of its own tie-up
Lone gunman kills two in cinema and takes own life in latest mass shooting in US
Disruptions at O’Hare after blaze at air traffic control centre
President draws loudest applause for proposals to prevent attacks
Much of the Affordable Care Act won’t go into effect until 2014. The price of delay is in Colorado
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