The Economic Times

He lost the governors primary, then got picked as a last-minute replacement with 566 of 571 votes; 100 days later Troy Jackson unseated Susan Collins

Troy Jackson's political journey took an unexpected turn when he received the Democratic Senate nomination. After Graham Platner withdrew due to a serious allegation, Jackson became the leading candidate. He won the nomination with overwhelming support at the special convention. Subsequently, Jackson campaigned and defeated longtime Republican Senator Susan Collins in the general election.