By GILLIAN FLACCUS, Associated Press PORTLAND, Oregon (AP) — Smoke and heat from a massive wildfire in southeastern Oregon are creating giant “fire clouds” over the blaze — dangerous columns of smoke and ash that can reach up to 6 miles (10 kilometers) in the sky and are visible from more than 100 miles (160 kilometers) away. Authorities have put these clouds at the top of the list of the extreme fire