Reuters World News: Brazil's Lula Wins Fourth Term, Venezuela's Machado Returns, and Campaigns Court AI Chatbots

This 10-minute Reuters World News briefing covers the day's major global stories, spanning elections in Brazil, Venezuela and Serbia, the growing use of AI chatbots in US political campaigning, and the leading candidates for soccer's Ballon d'Or.

■ World Elections
- Brazil: Luiz Inácio Lula da Silva rallies to win the presidential runoff for a fourth term, while rival Flávio Bolsonaro disputes the result and a hostile Congress looms; markets reverse earlier gains.
- Venezuela: Opposition leader María Corina Machado returns home after nearly a year abroad following the departure of Nicolás Maduro.
- Serbia: A student-led party scores an upset win over long-term leader Aleksandar Vučić in Belgrade.

■ Campaigning and AI
- Political campaigns seek to shape the answers voters receive from chatbots such as ChatGPT, Claude and Gemini, with reporters explaining how AI optimization is being pursued.

■ Soccer Awards
- The Ballon d'Or ceremony in London, with the leading men's and women's contenders outlined by a sports reporter.

For anyone who wants a fast, source-driven overview of international news, this briefing offers reporting from correspondents on the ground alongside market and sports analysis. Listeners can extend the coverage by visiting Reuters.com or the Reuters app, and can follow the daily podcast on their preferred platform.