sentences:  From 1991 to 1993, he was a reporter and columnist for the "Daily Camera" in Boulder.He spent a summer as an editorial assistant for NPR in Washington D.C. 
  
  From 1994 to 1999, Quintanilla served as a staff reporter for "The Wall Street Journal" where he wrote full-time for the newspaper's Chicago bureau, covering airlines, manufacturing and economic issues.He also wrote a weekly column on workplace issues and on-the-job trends for the newspaper's front page.