News roundup: Wall Street lenders growing impatient with US shale revolution … Parents are relying more on their earnings, rather than loans, to pay for college … University of Michigan opens test ‘city’ for autonomous cars

    Tired of waiting: Halcon Resources Corp. almost ran into trouble with its banks in June 2013. And again in March 2014. And in February 2015. As Bloomberg reports, each time, the shale driller came clo…

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