Several high-profile Democratic lawmakers renewed calls for gun control after a teenager broke into an Oregon elementary school Thursday and fatally shot three children and a teacher before being killed by an armed bystander.Sen. Ron Wyden, who has represented Oregon in the Senate since 1996, made one of the most explicit calls for tighter gun laws following the shooting at Silver Rail Elementary School in Bend, where the 16-year-old attacker used his mother’s shotgun, according to The Associated Press."The best way to honor these victims is to at long last pass common-sense gun laws that redu...