How congress works and why you should care is a concise introduction to the functions and vital role of the u.s. Congress by eminent former congressman Lee H. Hamilton. Drawing on 34 years as a u.s. Representative, hamil...How congress works and why you should care is a concise introduction to the functions and vital role of the u.s. Congress by eminent former congressman Lee H. Hamilton. Drawing on 34 years as a u.s. Representative, hamilton explains how congress reflects the diversity of the American people, serves as a forum for finding consensus, and provides balance within the federal government.