An Argument for Limiting Immigration For the Sake of Immigrants Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Some 200,000 immigrants' rights activists flood the National Mall on March 21, 2010 in Washington D.C. ( Ryan Rodrick Beiler / Shutterstock ) Produced by Kristen Meinzer Produced by PRI and WNYC