Many Maine voters split their tickets, as Biden won the state easily, but Republican Sen. Susan Collins also won reelection handily. Published December 29, 2020 at 2560 × 1440 in 5 Lessons Democrats Can Learn From The 2020 Elections Republican Sen. Susan Collins, R-Maine, speaks on Wednesday, Nov. 4, 2020, in Bangor, Maine, after Democrat challenger Sara Gideon called her to concede Tuesday’s election. (AP Photo/Robert F. Bukaty)