PORTLAND, Maine (AP) — After days of posting multiple apology videos, showing off his chest to reveal a covered-up tattoo that had been connected with a Nazi symbol and distancing himself from old online comments, Maine Democrat Graham Platner says he's only further committed to his U.S. Senate campaign.

Platner , an oyster farmer and first-time political candidate, is vying to flip a Senate seat that has been held by Republican Susan Collins for nearly 30 years. But first he must emerge from a primary field that includes Gov. Janet Mills.

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