Bunning responded by threatening to sue the National Republican Senatorial Committee if they recruited a candidate to run against him in the primary .
Kentucky State Senate President David L. Williams was reportedly considering running against Bunning in the primary .
Bunning responded by threatening to sue the National Republican Senatorial Committee if they recruited a candidate to run against Bunning in the primary .
Kentucky State Senate President David L. Williams was reportedly considering running against Bunning in the primary .