Clinton parts with Obama administration on Arctic drilling

Democratic presidential candidate Hillary Clinton on Tuesday staked out her opposition to Arctic oil exploration, putting her at odds with the Obama administration one day after it approved drilling off Alaska. "The Arctic is a unique treasure," Clinton said in a Twitter post. "Given what we know, it's not worth the risk of drilling." On Monday, the Obama administration gave Royal Dutch Shell PLC final approval to resume drilling into the oil zone off northern Alaska for the first time since 201