5 Facts About Maine Senate Hopeful Sara Gideon

For years, Maine Sen. Susan Collins (R) has ranked as the most bipartisan senator, with high in-state approval ratings. But since President Trump took office, her solid seat has looked increasingly unstable.

She's been criticized for voting to confirm Justice Brett Kavanaugh and supporting a 2017 tax-cut package. Her approval ratings have dropped from 78% in 2015 to 42% this past January.