PoliticsCNN’s first reactions to high-stakes Senate debates in Maine, Iowa and Georgia

In Maine, Sen. Susan Collins stressed her independence from Trump while debating Democratic challenger Troy Jackson on the Iran war, healthcare cuts and a trade war with Canada. In Georgia, Republican Rep. Mike Collins attacked Sen. Jon Ossoff over links to a donor named in the Jeffrey Epstein files, seeking to shift the debate’s focus. Another closely watched contest is underway in Iowa.