BALLINA, Ireland - Some 3,000 miles east of Delaware, nestled inland from Ireland's wild Atlantic coast, lies the small town of Ballina, the ancestral home of President-elect Joe Biden. Since his projected win, the close-knit town of 10,000 people in County Mayo has erupted in joy over the success of the man they claim as their own. American flags fly on street corners, a large painted Biden mural overlooks the town square, while photographs of a beaming Biden hang proudly in shop windows, with slogans that read: "Our man in the White House." In 2016, he brought his children and...