Republican Senator Susan Collins received a new warning about her reelection in Maine in a new poll released on Monday. Newsweek reached out to a Collins spokesperson, as well as the campaigns of Democratic candidates Governor Janet Mills and Graham Platner, for comment via email. Collins is the only Republican senator up for reelection in a state carried by former Vice President Kamala Harris last November. She is a top target for Democrats hoping to retake control of the Senate , particularly