World leaders are gathering in New York for the United Nations General Assembly, and looming large is President Trump and his view of the international rules of the road. Brazil President Lula da Silva is joining other middle powers to push back against what they call the return of “spheres of influence and power politics.” He is also running for an unprecedented fourth term and faces a tight race against Flavio Bolsonaro, whose imprisoned father, former President Jair Bolsonaro, still has powerful allies in Trump’s Washington. Christiane sat down with the Brazilian president ahead of his speech.Also on today's show: CNN Chief Media Analyst Brian Stelter; Vulture journalist Alex JungLearn more about your ad choices. Visit podcastchoices.com/adchoices