“Blake Masters (R), who lost his Arizona Senate bid last year, is set to announce he is running again in 2024, according to people familiar with his plans, injecting additional uncertainty into what is expected to be one of the most chaotic and competitive races in the country,” the Wall Street Journal reports.
“The contest for the seat currently held by Sen. Kyrsten Sinema is seen as a potential Republican pickup as the party tries to win back control of the Senate. Sinema, an independent who caucuses with Democrats, hasn’t said whether she is running for re-election.”

