As innocuous as the swipe of a credit card might appear, it's now at the center of an epic battle over how much merchants should pay for consumers charging their purchases.
The controversy pits Republican U.S. Sen. Roger Marshall against an old ally that backed him when he ran for the Senate in 2020.
The American Bankers Association is joining with the Kansas Bankers Association on a statewide ad buy, challenging Marshall's support for what's known as the Credit Card Competition Act of 2022.
They are putting an estimated $150,000 into a television and digital . . .