Kamala Harris implies Donald Trump a 'coward' during Pennsylvania campaign appearance

U.S. Vice President Kamala Harris indirectly criticized former President Donald Trump on Sunday, suggesting he is a "coward" for focusing on belittling his rivals. Harris made the comments at a campaign event in Pennsylvania with her running mate, Minnesota Governor Tim Walz. The event took place just before Harris's appearance at the Democratic National Convention in Chicago, which begins Monday.