(Bloomberg) -- Brazil’s government may have lifted one of the key hurdles for Petrobras to drill at a promising offshore oil region, a move that could escalate a standoff between the oil company and environmental authorities. Most Read from BloombergHuawei Is Building a Secret Network for Chips, Trade Group WarnsMusk Told Pentagon He Spoke to Putin Directly, New Yorker SaysGoldman Is Cracking Down on Employees That Aren't in Office Five Days a WeekIndia First to Land Near Moon South Pole After R