US Vice President Kamala Harris focused on three contenders who could potentially become the Democratic vice presidential candidate, reports Bloomberg. According to the newspaper, Harris is considering a wide range of candidates for the Democratic vice presidential nomination. However, people familiar with the process say that a short list of candidates has already been formed. It includes three elected officials who are popular across the country. The list includes: Arizona Senator Mark Kelly;Pennsylvania Governor Josh Shapiro;Minnesota Governor Tim Walz.At the same time, Harris’ campaign spo…