Contents: Ethnomethodology and Conversation Analysis; Parties and Joint Talk: Two Ways in Which Numbers are Significant for Talk-in-Interaction; Laughing at and Laughing with: Negotiations of Participant Alignments Through Conversational Laughter; Episode Trajectory in Conversational Play; Mm Hm Tokens as Interactional Devices in the Psychotherapeutic In-take Interview; Meeting Both Ends: