Lin Manuel-Miranda performing at Obummer WH.
Hand signal?
Matt Pottinger, Special WH advisor. Former Marine. Intel specialist. Worked with Gen Flynn in Afghanistan.
Worked on the NK deal. Fluent in Chinese. Working on US/China Security Issues.
Kim just left China with talks with XI.
Could be him.
https://en.wikipedia.org/wiki/Matthew_Pottinger#cite_ref-19