One of the central questions of the current Republican presidential campaign is when potential candidates will talk about important issues of political economy. That talk has thus far been in short supply because of the intellectual oxygen that is sucked out of the room every time Donald Trump walks into it. The recent remarks by Wisconsin Governor Scott Walker in union-dominated Las Vegas, however, have begun to change that. They represent his effort to breathe some life into his faltering campaign by harking back to his successful effort to take on public unions in Wisconsin.
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