New HBO series looks at iconic, troubled Yosemite climber Dean Potter
Dean Potter was an elite rock climber and high-altitude slackliner who died in 2015 in a wingsuit BASE soar in Yosemite Valley. A docuseries about Potter’s profession referred to as “The Dark Wizard” is premiering on HBO. Eric Perlman/HBO Filmmakers Nick Rosen and Peter Mortimer have been gathering analysis on the late Yosemite climbing legend…