U.S. First Lady Jill Biden spoke about her meeting with Ukrainian First Lady Olena Zelenska at the U.N. Summit, posting on social media to express her admiration for Zelenska’s “selfless courage” and assuring Americans of ongoing support for Ukraine. Read also: Zelenska opens first spouses’ summit in KyivOlena Zelenska addresses UN headquarters and meets with Jill Biden”Olena, I continue to admire your selfless courage. In the midst of such suffering at home, you have chosen to reach beyond your borders, calling on world leaders to see our shared challenges with new clarity and courage. We con…