Weigel, David: Change They Can Litigate (Berg's last big lawsuits were filed in 2003 and 2004 on behalf of 9/11 skeptics that sought to uncover the Bush administration's complicity in the attacks. "There's been many fires in many buildings before, and even after," Berg said in a 2007 interview. "Concrete and steel buildings do not fall down from fires.") Slate. 4.12.2008. Viitattu 9.6.2010.