Former Supreme Court Associate Justice John Paul Stevens likens making pot illegal to Prohibition. In his new book, Six Amendments, he proposes constitutional changes including a curb on an individual's right to bear arms. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

People wait in line for the beginning of the 2013-2014 Supreme Court term in Washington on Oct. 7. The court heard the first major case on campaign contribution limits since 2010's landmark Citizens United. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

Supreme Court Justice Antonin Scalia speaks during an event at the Newseum in Washington, D.C. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP

Riot police guard gay rights activists who were beaten by anti-gay protesters during an authorized gay rights rally in St. Petersburg, Russia, on Saturday. While a march there was allowed to go ahead, gay rights activists in Moscow turned to the Web on Sunday to celebrate gay pride. Dmitry Lovetsky/AP hide caption

itoggle caption Dmitry Lovetsky/AP