Linked by signature law, McCain and Feingold fight big-money fire with ... big-money fire
![Linked by signature law, McCain and Feingold fight big-money fire with ... big-money fire](http://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/5/27/52708d0d-e3e9-5766-855b-0b4ad73b94fa/580296048b0ff.image.jpg?resize=300%2C206)
MADISON — A pledge scrawled on Russ Feingold’s garage door and featured in a quirky 1992 Senate ad assured Wisconsin residents that he would rely on them — not wealthy out-of-state donors — to bankroll his campaign.