FILE - In this March 26, 2011 file photo, former House Speaker Newt Gingrich speaks in Des Moines, Iowa. Public funding of presidential campaigns, a cornerstone of national politics since the 1970s, ... more 
FILE - In this March 26, 2011 file photo, former House Speaker Newt Gingrich speaks in Des Moines, Iowa. Public funding of presidential campaigns, a cornerstone of national politics since the 1970s, may soon go the way of other relics of the ear like long sideburns and lava lamps. Neither President Barack Obama nor any of the leading 2012 Republican contenders is expected to accept federal matching funds and the spending rules they impose. less 
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Associated Press | Photo By Charlie Neibergall, File
Thu, Mar 31, 2011 2:01 PM EDT