FILE - In this Aug. 18, 2011 file photo, Sen. Tom Coburn, R-Okla. speaks in Oklahoma City. Coburn is asking both political parties to refund the millions in federal dollars each has received to help ... more 
FILE - In this Aug. 18, 2011 file photo, Sen. Tom Coburn, R-Okla. speaks in Oklahoma City. Coburn is asking both political parties to refund the millions in federal dollars each has received to help finance this summer’s presidential nominating conventions. (AP Photo/Sue Ogrocki, File) less 
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Associated Press | Photo By Sue Ogrocki, File
Fri, May 18, 2012 2:50 PM EDT