OKLAHOMA CITY (AP) — In deep-red Oklahoma, first-term Republican Gov. Kevin Stitt, a wealthy businessman whose first term has been rocked by feuds with tribal nations and members of his own party, finds himself in a surprisingly tough reelection campaign against Democrat Joy Hofmeister.

Hofmeister, 58, the two-term state superintendent of public schools who switched parties to run against Stitt, has been blasting Stitt for his voucher-style plan to divert public education money to private schools.

She launched a 50-stop bus tour through 27 counties in the last week of the campaign to hammer th...