Wisconsin Roofing Billionaire is Top Donor to Walker Super-PAC

The family that owns the Chicago Cubs is also among the Republican presidential hopeful's most generous boosters.
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Wisconsin Governor Scott Walker listens to a speaker at Dallas County Recorder Chad Airhart's annual Blue Jean Bash on May 16, 2015 in West Des Moines, Iowa.

Photo by Scott Olson/Getty Images

Half of the $20 million raised so far by the super PAC backing Wisconsin Governor Scott Walker's bid for the Republican presidential nomination came from just two families, a filing Friday with the Federal Election Commission shows.

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