In the room where it matters.

Well along in the world premiere of Bill McMahon’s new play “The Adult in the Room,” now playing in a limited run in the Richard Christiansen Theater at Victory Gardens, online technology does what online technology often does: It fails. This time, however, it happens to Orlagh Cassidy, who channels Speaker of the House, Nancy Pelosi in the confines of her Senate office, while in the middle of an Instagram Live session. What she does next is remarkable, even for Nancy Pelosi.