Wisconsin Republican Sen. Ron Johnson is running for reelection
The controversial Republican said he will seek a third term, in what is expected to be a hotly contested race that could determine which party controls the Senate.
Updated January 9, 2022 at 12:10 PM ET
The mystery surrounding whether Wisconsin Sen. Ron Johnson will seek reelection has ended. The Republican announced Sunday that he will run for a third term.
The race in the bellwether state
