BloombergOil Below $60 Tests Economics of U.S. Shale BoomBloombergOil's biggest bust since the global recession was good for a few cases of whiplash. Just two months ago, Continental Resources Inc. (CLR), the shale driller founded by billionaire Harold …

Bloomington PantagraphOil Below $60 Tests U.S. Drive for Energy IndependenceBloombergOil's biggest bust since the global recession was good for a few cases of whiplash. Just two months ago, Continental Resources Inc. (CLR), the shale driller founded by …