Scorching heat dome and wildfire smoke in U.S. poses health risks for vulnerable groups

For much of the country Wednesday, spending time outside came with a cost. A smoky haze darkened skies from Minneapolis to Detroit and beyond. And searing heat, blamed for 13 deaths in Texas, spread to neighboring states. John Yang reports on a day of extreme conditions. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok:   / pbsnews   Twitter:   / newshour   Instagram:   / newshour   Facebook: http://www.pbs.org/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe