NPR News covers wildfire smoke from Canada causing dangerous air quality across the US, with officials advising vulnerable groups to stay indoors. The broadcast also reports that President Trump offered no new evidence of 2020 election fraud despite claims of a major announcement. In international news, Venezuela faces protests for free elections while recovering from deadly earthquakes. Additionally, the episode details a cyclospora outbreak linked to Taco Bell, flooding in Texas, and new DHS rules limiting international student visas.