It's almost two months before the general election, but it's already the most expensive race for governor.
An Associated Press review of campaign finance records shows the five major candidates have spent more than $10 million as of late August. Much of it went toward TV ads.
Mike McCabe is executive director of the government watchdog group Wisconsin Democracy Campaign. He says those advertising costs and the race's competitive nature have fueled the spending.
McCabe says the candidates eventually will spend between $15 million and $20 million total.
By comparison, former Gov. Tommy Thompson and Democratic opponent Ed Garvey spent about eight million dollars on their campaigns in 1998.
Gov. McCallum easily won last week's Republican primary. He'll face Attorney General Jim Doyle, who beat U.S. Representative Tom Barrett and Dane County Executive Kathleen Falk in the Democratic primary.
Libertarian Ed Thompson is also on the Nov. 5 ballot.
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