White House candidate Kamala Harris may introduce her vice presidential running mate on August 6, in Philadelphia, CNN reports. During the working weekend, the search for a vice presidential candidate ended at Harris’s residence at the Naval Observatory in Washington, DC. A total of three interviews were held with the final candidates, including: Tim Walz, Governor of Minnesota;Josh Shapiro, Governor of Pennsylvania;Mark Kelly, Senator from Arizona.As of Sunday evening, according to people familiar with the search process, it was not clear whether Harris had made a final decision. It is also p…