The Supreme Court on Tuesday denied state legislatures the unchecked power to set rules for federal elections, in a 6-3 decision.

• Plus, malaria in the U.S., and more "mosquito days" across the country.

Guests: Axios' Alex Fitzgerald and Adriel Bettelheim; The National Constitution Center's Jeffery Rosen.

Credits: Axios Today is produced by Niala Boodhoo, Alexandra Botti, Fonda Mwangi, Lydia McMullen-Laird and Alex Sugiura. Music is composed by Evan Viola. You can reach us at podcasts@axios.com. You can text questions, comments and story ideas to Niala as a text or voice memo to 202-918-4893.

Go deeper:

• Supreme Court rejects sweeping conservative bid to control elections
• U.S. malaria cases reported for first time since 2003
• Our endless mosquito season