Source: ROLL CALL, 11/4/19


Although most competitive Senate races in 2020 involve Republicans defending their seats, it’s a Democratic senator who tops the list of the most vulnerable incumbents in the chamber one year out from Election Day. Alabama’s Doug Jones is running for a full Senate term after winning a special election in 2017, and he faces the difficult task of overcoming the partisan dynamics of a deeply Republican state. Michigan Sen. Gary Peters is the other Democrat running in a state that President Donald Trump won in 2016, but he is further down the list, since Trump won the Wolverine State by a much smaller margin.

For more of this story, click here.