Harris campaign kicks off bus tour ahead of the Democratic National Convention

Vice President Kamala Harris’ presidential campaign rolled out their bus tour in the swing state of Pennsylvania today. This comes a day after former President Trump held a rally in the battleground state – personally attacking Harris and comparing her policies. On Monday, the Democratic National Convention is set to kick off, all while Mr. Trump gets ready to counterprogram the DNC with the busiest week of his campaign so far. NBC News’ Aaron Gilchrist and Monica Alba report.