Dangerous smoke is spreading across the U.S. How to stay safe.

The U.S. and Iran have been escalating attacks in the Gulf. The Wall Street Journal’s Shelby Holliday explains how both countries are betting the other will concede first.Canadian wildfires are continuing to pour smoke into the U.S. USA Today reports on how unhealthy air has prompted several states to issue warnings for sensitive groups.Christopher Nolan’s long-awaited adaptation of Homer’s ‘The Odyssey’ is in theaters this weekend. Lindsey Bahr of the Associated Press tells us why it’s one of the year’s most talked-about releases.Plus, President Trump delivered a national address on election security, floods hit Texas again, and the FDA potentially linked a lettuce supplier to the outbreak of a parasitic illness that has infected thousands.Today’s episode was hosted by Gideon Resnick.