Will Kamala Harris introduce her running mate at Philadephia rally on Wednesday? Who is Josh Shapiro and why is he at center of controversy?

Kamala Harris' team launched the process of selecting the running mate last week and five contenders are in serious consideration, they are Josh Shapiro; Governor Tim Walz of Minnesota, Senator Mark Kelly of Arizona; Governor Andy Beshear of Kentucky; and Pete Buttigieg, the transportation secretary.