Article Photos: More security for Oklahoma congressman after threat 1/2

ADVANCE FOR SUNDAY, JUNE 24, 2012 - FILE - This Sept. 21, 2007 file photo shows U.S. Rep. John Sullivan, R-Okla., during a news conference in Tulsa, Okla. After several weeks of heated campaigning, Sullivan and Jim Bridenstine, the two Republicans vying to represent Oklahoma's 1st congressional district, are making a last-minute push to try and convince voters each is the most conservative choice for the job ahead of Tuesday's primary election. (AP Photo/Michael Wyke, Tulsa World, File) ORG XMIT: OKTUL501