Umar Cheema, left, of Pakistan and Javier Valdez Cárdenas of Mexico, both 2011 International Press Freedom Award winners, are all too familiar with the culture of impunity. (CPJ)
Umar Cheema, left, of Pakistan and Javier Valdez Cárdenas of Mexico, both 2011 International Press Freedom Award winners, are all too familiar with the culture of impunity. (CPJ)

A call to continue the struggle against impunity