Reuters: Ensco Plc filed a lawsuit on Tuesday challenging the Obama administration’s new deepwater oil drilling moratorium, saying it was mostly the same as the first ban that a U.S. court already put on hold. The Interior Department "did not analyze the situation anew and with an open mind when deciding to impose the second moratorium," Ensco said in a complaint filed with the U.S. District Court for the Eastern District of Louisiana. "Instead, it was a pre-ordained result that was …