A “toxic chemical” deliberately dumped on the ice rink outside the Trump-Kennedy Center “severely damaged” the surface and forced the cancellation of a performance, furious administration officials said Friday.  “Trump-Kennedy Center was targeted today in a malicious act of vandalism,” Roma Daravi, the vice president of public relations for the Washington, DC, venue, wrote on X .   “Our outdoor plaza was doused with a toxic chemical and severely damaged,” Daravi continued. “We will not tolerate