"2024 Election Update: Key Down-Ballot Races in Ohio, Illinois, and California Today"

Key races are taking place today in Ohio, Illinois, and California as part of the 2024 election. President Biden and Donald Trump have secured their parties' nominations for the presidency, setting the stage for a general-election rematch. Voters across all states and U.S. territories will pick their party's nominee for president leading up to the summer conventions.