Maine Democratic Senate nominee Graham Platner said Wednesday he was ending his campaign, clearing the way for Democrats to select a new candidate to take on Republican Sen. Susan Collins in one of the most important contests of November’s midterm elections.

Operatives in D.C. and Maine are floating four names to take on Susan Collins as calls grow for the progressive oysterman to exit the race.

Maine's Senate race has entered a new phase after the state's Democratic Party urged its own nominee, Graham Platner, to withdraw following multiple allegations from women.…