5 Senate Republicans who could face primaries in 2026

Republican senators are gearing up for the possibility of primary challenges ahead of the 2026 midterms as they seek to navigate the new political environment of a second Trump administration.  
 
Taking out a sitting senator in a primary would be no easy task, but some in the right flank of the party have flirted with challenging incumbents who voted to convict President-elect Trump in his impeachment trial in 2021 or have more recently expressed reservations about his Cabinet picks.