Wisconsin Gov. Scott Walker has been lured into a conversation about his strategy to cripple public employee unions by a prank caller pretending to be a billionaire Republican donor.

Walker spokesman Cullen Werwie confirms the governor is on audio of the call posted Wednesday on the website of the Buffalo Beast, a left-leaning New York newspaper.
The governor believes the caller is conservative businessman David Koch. He talks about plans for layoff notices and what can be done to punish lawmakers who've left the state.

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