Are you kidding? This is the country that avoids the Metric system remember. https://en.wikipedia.org/wiki/A_Metric_America oops.
Perhaps the ratio of exceptionalism to gridlock as the excuse for stasis has changed, but the stasis itself hasn't.
Are you kidding? This is the country that avoids the Metric system remember. https://en.wikipedia.org/wiki/A_Metric_America oops.