Richard Grenell blasted leftists as "intolerant" after jeers erupted when Vice President JD Vance attended a Kennedy Center concert.
The vice president's arrival at the center Thursday comes one month after Trump launched a major, controversial overhaul.
President Trump named himself chairman of the venue replacing some board members with his own appointees including the vice president's wife, Usha Vance.
The Vice President said that Trump wants to build more in the US and raise wages for workers working in the country. He said that investing in America will attract lower taxes and regulations.
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