Is America ready for a gay president? Iowa casts first votes.

Democratic presidential candidate and South Bend Mayor Pete Buttigieg speaks during the Climate Forum at Georgetown University, Friday, Sept. 20, 2019, in Washington. (AP Photo/Jose Luis Magana)

The question posed to Pete Buttigieg — gay, married and running for president — came from a supporter at an Iowa campaign stop: What should he tell friends who say America isn’t ready to elect a gay man as president?