WATCH: Dems stand by Maine nominee hit with report he fathered children with his second cousin

* *Focus:* Maine's unique political landscape, Susan Collins' historic resilience as a moderate Republican in a blue-leaning state, and the strategic importance of the Senate map. * *Drafting sentences:* Maine has a long history of independent-minded ticket-splitting, making its statewide elections highly competitive and closely watched on the national stage. Senator Susan Collins, a