(Portland, OR)  --  Portland Police are asking for help finding a man who's been missing for nearly two weeks and may be in danger.  Police say 31-year-old Chase Stevens was last seen Sunday, October 11th when he left his house in Northeast Portland.  He was last known to be traveling through Banks near Highway 26.  Stevens might be armed with a gun, but police say he's not a threat to the public.  He was driving a gray 2013 Ford Escape SUV with an Oregon license of 506 GCU.