Two newly released polls on Maine’s hotly contested 2026 U.S. Senate race returned very different outcomes: One shows oysterman Graham Platner beating Gov. Janet Mills in the Democratic primary and then Sen. Susan Collins in a potential general election matchup, while the other suggests Platner would lose to Collins in a head-to-head race. Both surveys have connections to the campaigns they appear to favor. The poll showing Platner ahead in the two races was conducted by a branch of a progressive organization where his new campaign manager previously worked, while the one showing Platner behind Collins was commissioned by a...