The new solo play “Precipice” was conceived by actor and self-described “memory activist” Damaris Webb. It’s part of the offerings of the Vanport Mosaic Festival she co-founded 10 years ago. The play, like the festival itself, centers on remembering and reclaiming history and telling the stories of people who have been marginalized or forgotten. We talk with Webb and playwright Chris Gonzalez about this new work and what they hope audiences take from it.