Maine Democrats vie for Graham Platner’s open seat

The article lists the Democratic hopefuls in Maine seeking the party’s nomination. The race opens after incumbent Graham Platner announced his retirement. Candidates must win support at the state party convention. The convention is scheduled for July 25. Delegates will decide which candidate will appear on the ballot. The chosen Democrat will face Republican Sen. Susan Collins in the general election. Collins has held the seat for multiple terms, making the race competitive. The outcome will shape Maine’s representation in the Senate.