CNBC | Venezuela is a 'clear and present danger' for the oil market, says RBC's Helima Croft CNBC One of Latin America's biggest oil producers could soon provide a key catalyst for oil prices. "We continue to contend that, given 2018's tightening oil market, any potential geopolitically driven supply disruption would have an outsized impact versus ... Maduro to pitch oil-backed cryptocurrency petro to OPEC - Al Jazeera Venezuela Invites OPEC Countries to Jointly Develop Oil-Backed ... |