Summary
- Robert Antonellis, Ian Cain, or John Deaton are vying to challenge incumbent Sen. Elizabeth Warren in the Republican primary.
- Warren is a popular incumbent with a progressive background.
- Republicans face challenges in unseating Warren, who secured 60% of the vote against Geoff Diehl in 2018.
- Antonellis, Cain, and Deaton participated in candidate forums and debates leading up to the primary.
