County Board members said Saturday they have neither the power nor the intention to stop a troupe called Puppetry of the Penis from performing at the county-operated Rosslyn Spectrum Theatre, despite complaints that the show’s content makes it inappropriate for a municipal venue. Practicing what troupe members call the “ancient art of genital origami,” Puppetry of the Penis is slated to perform at the Spectrum from July 22 to Aug. 17. Performers manipulate their private parts into everything from a hamburger to their signature effort, the Eiffel Tower. A few Arlingtonians are not amused. “We should not be pandering to...