A Penn Valley couple participated in a delegation of family members devastated by the effects of gun violence that traveled to Washington, D.C., to advocate for stricter controls on access to firearms. Nick and Amanda Wilcox, residents of Penn Valley, visited the White House and the U.S. Congress on Thursday along  with 32 other family members of people who were either killed or seriously injured in firearm incidents to share their personal stories. The couple’s daughter, Laura, was one of three people killed on Jan 10, 2001, when a mentally ill man, Scott Thorpe, went on a shooting rampage throughout …