Graham Platner wins Dem nomination in key Maine Senate race - Axios

1. Graham Platner wins Dem nomination in key Maine Senate race  Axios
2. Graham Platner tears into Republicans after clinching Susan Collins matchup in Maine, and other primary night takeaways  CNN
3. Platner wins Maine Democratic Senate primary, vows to oust Collins  Al Jazeera
4. Will Maine's scandal-hit Graham Platner help save or sink Democrats?  BBC
5. Platner to frame overtly negative campaign against Collins  The Washington Post