evidence: Before news of Biden's secret trip filtered out, residents of Kyiv, the capital, reported closed roads and unusual traffic jams, stoking the social media rumor mill with suggestions of a high-profile guest. Few expected to see the president of the United States walking around the center of town soon after, an unannounced ambassador of hope that the Western alliance backing Kyiv's defense against the Kremlin's attacks can remain strong. [...] "A lot of issues are being resolved and those that have been pending will be expedited," he said in a Telegram post. Yermak later shared a picture of a plaque installed to mark Biden's visit in the Walk of the Brave in Kyiv's Constitution Square, which honors leaders who have supported Ukraine since the invasion. [...] Photos featuring Biden added to images of everyday life in Ukraine that swiftly made their way across social media. One showed him eating an ice cream cone; another had him shopping for groceries, commenting on the high price of eggs.