The Constitution in 2020. Edited by Jack M. Balkin and Reva B. Siegel. New York: Oxford University Press, 2009. 368p. $74.00 cloth, $19.95 paper.Our Undemocratic Constitution: Where the Constitution Goes Wrong (And How We the People Can Correct It). By Sanford Levinson. New York: Oxford University Press, 2006. 272p. $28.00 cloth, $19.95 paper.A Constitution of Many Minds: Why the Founding Document Doesn't Mean What It Meant Before. By Cass Sunstein. Princeton: Princeton University Press, 2009. 240p. $27.95.