- Secretary of State Kris Kobach's opponent in the Republican primary predicts that a "dual" voting system for helping Kansas enforce a proof-of-citizenship rule will confuse voters and suppress turnout.
- Congressman Mike Pompeo's campaign accusing challenger Todd Tiahrt of corruption in connection with an earmark Tiahrt secured while in Congress for a Colorado company Tiahrt later went to work for.
- Former Republican congresswoman Jan Meyers has formally endorsed Kansas Gov. Sam Brownback's re-election, six days after being listed among GOP moderates endorsing his Democratic challenger.
- A Washington-area group with ties to veteran Republican operatives is spending at least $246,000 on radio and television advertisements in Kansas praising Gov. Sam Brownback in the final weeks before the state's primary election.