For the energy industry today, few other places present such a complicated chessboard. The eastern Mediterranean has elicited more and more interest from major international oil companies, particularly in the wake of a series of discoveries crowned by the giant Zohr natural gas field off Egypt in 2015. Thanks to the sea's myriad riches, BP, Eni, ExxonMobil and Total have all descended upon the area, yet it has been less than plain sailing. In the past month, Italian oil and gas company Eni has found itself embroiled in two major political disputes -- one between Israel and Lebanon and another between Cyprus and Turkey -- over its activities in the region. With every country intent on using their resources for their own ends, the political challenges facing energy companies are part of the region's underlying complexity and challenges, all of which will likely stymie the development of much of the...