(Washougal, WA)  --  A Portland man remains missing after getting swept away by the current of the Washougal River in southwestern Washington.  The Clark County Sheriff's Office says 30-year-old Stephen Barnaby and 28-year-old Emily McCauley of Portland were floating on separate inner tubes on the river Saturday when they fell into the water and got swept away by the fast-moving current.  Deputies were able to rescue McCauley, who was rushed to a hospital.  Police are still searching for Barnaby.