Updated at 3:35 p.m. ET Presumptive Democratic presidential nominee Joe Biden and his newly named running mate, California Sen. Kamala Harris, will make their first joint appearance Wednesday, following Biden's announcement of the selection Tuesday. The Biden campaign says the pair will deliver remarks in his hometown of Wilmington, Del., on "working together to restore the soul of the nation and fight for working families to move the country forward." The two also plan on attending a virtual fundraiser in the evening, according to the campaign. Amid the coronavirus pandemic, an introductory rally in front of throngs of supporters is...