<b>How we became so burdened by red tape and unnecessary paperwork, and why we must do better.</b><br><br>We''ve all had to fight our way through administrative sludge--filling out complicated online forms, mailing in paperwork, standing in line at the motor vehicle registry. This kind of red tape is a nuisance, but, as Cass Sunstein shows in <i>Sludge</i>, it can also impair health, reduce growth, entrench poverty, and exacerbate inequality. Confronted by sludge, people just give up--and lose a promised outcome: a visa, a job, a permit, an educational opportunity, necessary medical help. In this lively and entertaining look at the terribleness of sludge, Sunstein explains what we can do to reduce it.<br><br> Because of sludge, Sunstein, explains, too many people don''t receive benefits to which they are entitled. Sludge even prevents many people from exercising their constitutional rights--when, for example, barriers to voting in an election are too high. (A Sludge Reduction Act would