Relations between Peru and Chile have historically been some of the most troubled in South America, but the past few years have brought a new energy to the relationship. On Feb. 6, Chilean Minister of Energy Andres Rebolledo confirmed that the two countries will begin construction this year on a 30-mile electricity transmission line connecting them. The line could be completed by the end of 2019. The announcement is a sign that both countries have decided to leave their historic animosity behind and that deeper integration between them will likely continue in the coming year....