The victory of Illinois Lt. Gov. Juliana Stratton in a spirited Democratic primary for the U. S. Senate has both historic implications and may provide a window into what Democratic voters are looking for in the midterms, while also possibly helping to boost a potential 2028 presidential candidate.

Lt. Gov. Juliana Stratton has won the Democratic Senate primary in Illinois, NBC News projects, vaulting ahead of two members of Congress with a boost from Gov.