Since the 1980s the war on drugs has created what author Michelle Alexander has called a “permanent under-caste” of men, mostly black, who are convicted of drug offenses. There are more African-American men in the American corrections system now than were enslaved in 1850. The United States has a higher incarceration rate than Russia or China or other regimes considered repressive. Strained prison budgets are forcing liberals and conservatives to reconsider the laws that have led to the explosion in the prison populations. Frank Wolf, who’s been involved with the evangelical Prison Fellowship, is one of many conservatives now endorsing “smart on crime” strategies rather than “get tough on crime” strategies (Newsweek, June 19).