(Anchorage, AK)  --  Police in Alaska are searching for a missing Troutdale man they say could be suicidal.  Police say 39-year-old Edgar Brown was reported missing early Wednesday morning after flying to Anchorage from Medford overnight Monday.  Brown's wife Kimberley tells KTVA in Anchorage that Brown has been variously diagnosed with severe clinical depression or bipolar disorder and that he had mentioned having suicidal thoughts in the week before he left their home.