BOWLING GREEN, Ky. — Conservative groups are opening a new front in their effort to reshape American law, arguing that local governments have the power to write their own rules on a key labor issue that has, up to now, been the prerogative of states.

http://www.nytimes.com/2014/12/19/us/politics/foes-of-unions-try-their-luck-in-county-laws.html?hp&action=click&pgtype=Homepage&module=second-column-region&region=top-news&WT.nav=top-news&_r=0

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