(Portland, OR)  --  Students in Portland are among thousands across the country planning to walk out of class today to call for better gun control laws.  Students at more than a dozen Portland-area schools will walk out of their classrooms today for the national Gun Control Walkout.  The walkouts are taking place on the 19th anniversary of the Columbine school shooting that left 15 people dead in Colorado.  Wilson High School, Cleveland High School and Franklin High School are among those participating.