Part 2/12:
Maine’s Senate race has become a hotly contested battleground, with incumbent Republican Senator Susan Collins undecided about her reelection plans. Democrats see an opportunity to flip the seat, as eight Democratic candidates have announced campaigns, including Governor Janet Mills, who is 77 years old and potentially the oldest person ever elected as a first-term U.S. senator. While Mills's candidacy is considered formidable, the race remains highly competitive.