(FILES)The US Federal Reserve building is seen in this August 9, 2011 file photo in Washington, DC. Policy makers at the US Federal Reserve are leaning toward more stimulus action "fairly soon" unless economic data turns around, minutes from their meeting three weeks ago showed August 22, 2012. The minutes showed most of the members of the Federal Open Market Committee were concerned about slowing growth and the vulnerability of the economy to external threat, particularly economic instability in Europe.