Now a fellow Republican, Wisconsin Sen. Ron Johnson, is leveling a similar criticism. In an interview Tuesday with editors and reporters at the Milwaukee Journal Sentinel, the one-term senator said that he thought Walker and his campaign should drop the attacks. Johnson, a former CEO who spent millions on his own campaign, said he also disapproved of the Republican Party of Wisconsin, which has made an issue of Burke’s wealth and dubs her “Millionaire Mary.” “Far too often in the political realm, we demonize success, we demagogue against it,” he said. “What we should be doing is incentivizing success.”

Before Walker took the stage at the Wisconsin State Fair on Tuesday night, where he was helping to raise money for the 4-H, he addressed Johnson’s remarks. “You’re not going to hear me or my campaign talk about it,” Walker said, referring to Burke’s wealth, “and I’d prefer the party talk about the differences on jobs. I haven’t gone after Trek, I haven’t gone after Mary Burke, I haven’t gone after her wealth at all. I could care less what her personal wealth is.”