Congressional Member Organizations (CMOs) and Informal Member Groups: Their Purpose and Activities, History, and Formation.

The article examines the historical development and contemporary role of Congressional Member Organizations (CMOs) in the House, as well as informal Member groups in the House, Senate, and across the chambers. It mentions members of the House and Senate may form these groups and participate in their activities for a variety of reasons. It also mentions ongoing role in the congressional policymaking process.