Retired Supreme Court justice John Paul Stevens discusses some changes he would make to the U.S. Constitution in his recent book, Six Amendments: How and Why We Should Change the Constitution . There are chapters on political gerrymandering, campaign finance, the death penalty, and gun control, among others. On guns, Justice Stevens notes the Second Amendment was adopted to protect the states from federal interference with their power to ensure that their militias were “well regulated.” As a result of more recent rulings, federal judges have the ultimate power to determine the validity of state regulations of both civilian and militia-related uses of arms. Stevens says this anomalous result can be avoided by adding five words to the Second Amendment to make it unambiguously conform to the original intent. With those words, it would now read, “A well regulated militia, being necessary to the security of a free state, the right of the people to keep and bear arms when serving in the