A Falkland Islander gestures as he casts his vote at the Town Hall polling station in StanleySTANLEY, Falkland Islands (Reuters) – Residents of the Falkland Islands began voting on Sunday in a sovereignty referendum that seeks to counter Argentina's an increasing number of assertive declare over the British-dominated territory. Diplomatic tension between Britain and Argentina has flared up after greater than three a long time because they went to war over the South Atlantic archipelago, and that has unsettled one of the vital roughly 2,500 islanders. …