FILE - In this Nov. 8, 2013 file photo Republican U.S. Sen. Pat Roberts speaks at a campaign appearance in Overland Park, Kan. Now seeking his fourth term, Roberts is facing questions about whether he can legitimately claim the iconic western Kansas cow town of Dodge City as his home. (AP Photo/Charlie Riedel, File)
FILE - In this Nov. 8, 2013 file photo Republican U.S. Sen. Pat Roberts speaks at a campaign appearance in Overland Park, Kan. Now seeking his fourth term, Roberts is facing questions about whether he can legitimately claim the iconic western Kansas cow town of Dodge City as his home. (AP Photo/Charlie Riedel, File)
FILE - In this Nov. 8, 2013 file photo Republican U.S. Sen. Pat Roberts speaks at a campaign appearance in Overland Park, Kan. Now seeking his fourth term, Roberts is facing questions about whether he can legitimately claim the iconic western Kansas cow town of Dodge City as his home. (AP Photo/Charlie Riedel, File)