Cuba edges toward breakdown as power cuts and US meddling push society to brink

As Cuba swelters under six-month oil blockade imposed by US, tempers are fraying and unrest is growingWhen Cuba’s national grid collapses, as it did for the third time in 10 days on Tuesday, a collective groan spreads across its cities and people wonder, again, whether the island’s antiquated electricity system may soon become unrecoverable.The 777-mile Caribbean island of 9.5 million people has been sweltering unde…