via US news | The Guardian — President thanks Grenell for ‘outstanding work’ and says Matt Floca, vice-president of operations, will take over Donald Trump has announced that Ric Grenell, the longtime Republican foreign policy adviser who oversaw far-reaching changes at the Kennedy Center, which prompted many artists to abandon the performing arts venue, will be replaced by Matt Floca, vice-president of operations at the center. Trump made the announcement on social media that he has replaced Grenell, thanking him for the “