But states often serve as laboratories of democracy, and a successful carbon tax in Massachusetts could help to broaden support for a national or even global carbon pricing system — if powerful fossil fuel companies like ExxonMobil get out of the way. (insideclimatenews.org)
Once considered laboratories of democracy, too many states have become petri dishes of corruption; rather than increase economic opportunity, they serve the most opportunistic. (nydailynews.com)
John Dewey, in particular, championed many progressive pedagogical innovations because he thought they turned classrooms into laboratories of democracy. (educationnext.org)