Republican Susan Collins loses seat, ending almost 30 years in the Senate
Democrat Troy Jackson has defeated longtime Republican incumbent Susan Collins in Maine, unseating the famous moderate senator in a race marked by controversy.

TL;DR
- Democrat Troy Jackson defeated Republican incumbent Susan Collins in Maine.
- Collins had served as a senator since 1996 and was known as a moderate Republican.
- Jackson campaigned on workers' rights and accused Collins of yielding to pressure from President Trump.
- Collins cultivated a reputation as a moderate and attempted to distance herself from Trump during her campaign.
- Jackson entered the race late after the initial Democratic nominee withdrew due to scandals.
- Collins was a key swing vote on various pieces of legislation, including voting to convict Trump in his second impeachment trial.
- Collins also voted against repealing the Affordable Care Act and supported Brett Kavanaugh's Supreme Court nomination.
- Jackson's victory contributes to an enlarged Democratic majority in the US Senate.
- Democrats also gained control of the US House of Representatives, resulting in unified Democratic control of Congress.