From 7 to 8:30 p.m. May 27, the Clark County Genealogical Society will host “Breaking Down Brick Walls with Collaboration,” presented by Valorie Cowan-Zimmerman, president of the South King County Genealogical Society. She’ll share strategies for leveraging collective knowledge, sharing resources and building connections to tackle the toughest challenges. Get tips and real world examples to break through barriers with the support of a collaborative network. Cowan-Zimmerman is a past vice president of both the Black Genealogy Research Group of Seattle and the Washington State Genealogical Society.