by Cyril JULIEN Agence France-Presse PORTLAND, Oregon (AFP) — The deadly fires spreading across three western US states are causing record-breaking pollution and a spate of health woes, from headaches and coughs to impaired vision, that have residents worried about the long-term consequences. Portland, the largest city in Oregon, has been blanketed for days by a dense smog that has sent pollution meters soaring. On Monday, the city ranked second-worst on IQAir’s live global air […]