Avant-Garde - to advance the boundaries, push the envelope, innovative. As in...
"The near certainty that yesterday's killer was driven by IslamistThis truly shows the folly in much of what Western Europe is doing, and in what America is seemingly seeking to become. They "pushed the envelope", but someone forget to inform them that sometimes the envelope pushes back! These social experiments have consequences and just pretending completely opposing world views can live peacefully alongside each other is just wishful thinking at best, and lethal at its worst.
impulses is deeply troubling for the Dutch, who created one of the
world's most avant-garde models of multiculturalism over the last 30
years, to the point of paying imams' salaries."