My comment:
(a) It is unclear whether DCIA is still active, whose contact in its website is as follows:
"Phone +1-855-529-3242[;] Mailing Address 354 W Sunnyside Rd, Suite A[,] Idaho Falls, ID 83402 USA" (The 855 is a toll-free number, just like 800.)
DC International Advisory www.dciadvisory.com/stephen-yates.php
("Stephen J Yates, Chief Executive Officer; Christian Whiton, Principal)" )
(b) Stephen Yates and Christian Whiton, Why Trump Was Right to Talk with Taiwan's President. Fox News Opinion, Dec 4, 2016. www.foxnews.com/opinion/2016/12/ ... wans-president.html
(c) "懷頓曾撰寫「巧實力：外交與戰爭之間」一書，並由曾服務過五任美國總統的杜布林斯 [Paula Dobriansky (1955- ; foreword) ] 基為他寫序。"
Christian Whiton, Smart Power; Between diplomacy and war. Potomac Books, 2013.
(d) I still remember
Seima Oki and Yuko Mukai, US Expected to Use 'Taiwan Card' to Put Pressure on China. The Japan News (Yomiuri), Apr 2, 2017 https://the-japan-news.com/news/article/0003615700
("According to sources, the possible lineup of senior officials of the US Defense and State departments includes Randall Schrive * * * and Stephen Yates")