How will South Korea's new president engage with Trump's White House?

Two years ago, the then South Korean president, Yoon Suk Yeol, serenaded Joe Biden in the White House with an a rendition of American Pie. The foundations of Washington's ties with Seoul, one of its most important allies in the Asia-Pacific, appeared as firm as Yoon's more-than-passable crooning. As he prepares to replace the now-disgraced Yoon, South Korea's new leader, Lee Jae-myung, will have to strike a very different note with Biden's successor in the White House. His modest inauguration complete, Lee will focus initially on healing the open wound his predecessor inflicted on South Korean society and kick-starting growth…