US presidential elections: Crunch time in Chicago as Democrats and MAGA duke it out over Doritos

Democrats gathered in Chicago for a four-day event to build momentum for Kamala Harris, the presidential nominee. Outgoing President Biden spoke first, followed by other party notables. Despite leading in polls, Harris faces challenges, including attacks from white nationalists and accusations. Microsoft's AI warning highlights the growing influence of AI-generated disinformation in the election.