Very astute observation.
Possible → Narrative PrePositioning
John Kerry in Hanoi:
That event was in Jan 2017.
Jan 18th
Just a few days before DJT inauguration.
Jan 20th
FYI
John Kerry in Hanoi:
That event was in Jan 2017.
Jan 18th
——–
Mea culpa. I was wrong.
That date was a different event. (sorry)
(JANUARY 15, 2017)
HO CHI MINH CITY, Vietnam - Secretary of State John Kerry, making his last trip as the top U.S. diplomat, defended the Obama administration’s Asia legacy and visited the site of a battle from his Vietnam War days.
Sauce,
https://www.cbsnews.com/news/john-kerry-vietnam-final-trip-secretary-of-state-mekong-delta-viet-cong-veteran/