Overview

• Biden and Trump, having secured enough delegate support, are the favorites in their primaries across five states.
• Special primaries in California and Ohio will fill vacancies in the U.S. House, with competitive races drawing attention.
• In Ohio, a competitive U.S. Senate primary features candidates with varying levels of Trump endorsement.
• Several incumbent members of Congress face competitive challenges within their parties in Illinois.
• The outcomes of these primaries will significantly impact the battle for control of the U.S. Senate and House.