Though confidence in organized labor is stable, U.S. approval of labor unions -- one of Gallup’s oldest trends -- has seen a major rebound over the past 15 years. More recently, Gallup research has yielded new insights about the experiences of union members themselves amid this eventful period for the labor movement.     This week’s guests include:  Megan Brenan, Gallup Senior EditorDr. Ben Wigert, Director of Research and Strategy, Workplace Management at GallupMike Ritz, Executive Director for Gallup's Federal Government InitiativePatrick Crowley, Secretary-Treasurer and incoming President for the Rhode Island AFL-CIO