Exaggeration is hardly new in Greek public life, and it resurfaced on Thursday following the Farm-In agreement signed by HELLENiQ ENERGY Holdings, ExxonMobil and Energean. The deal brings ExxonMobil into the Block 2 offshore concession in the northwestern Ionian Sea, giving the U.S. company a 60 percent stake. Energean will retain 30 percent, down from its original 75 percent, while HELLENiQ ENERGY keeps 10 percent, reduced from 25 percent. Even before the signatures of ExxonMobil vice president John Ardill, Energean CEO Mathios Rigas and HELLENiQ ENERGY's chief executive Andreas Siamisiis had fully dried, some commentators were already predicting that Greece would extract 200 billion cubic meters of natural gas within three years. International experience, however, tells a different story. Cyprus offers a particularly relevant example: although the island identified commercially viable natural gas deposits back in 2011, it is...