On Today’s Post Reports, Jacob Bogage explains how delays and a partisan battle over funding the U.S. Postal Service may affect the election. Jose A. Del Real reports on Latino voters in Arizona, who may hold the key for a Democratic win there. And, Sarah Kaplan with a climate solution for America’s hottest cities. Read more:Trump says the Postal Service needs money for mail-in voting but he’ll keep blocking funding.Latinos transformed Arizona. Do campaigns see them? How America’s hottest city will survive climate change. Subscribe to The Washington Post: postreports.com/offer