Alan Greenspan is escorted from a hearing on tax reform during a fire alarm.
Chairman of the Federal Reserve Alan Greenspan (C) is escorted by security agents as a fire alarm sounds during the President's Advisory Panel on Federal Tax Reform at George Washington University in Washington, March 3, 2005. Greenspan was being questioned by panelists when the fire alarm sounded. Greenspan, who had already delivered his statement, left the building which was reopened minutes later. REUTERS/Kevin Lamarque KL