Some Mainers who participated in a focus group this week say they are only reluctantly throwing their support behind Graham Platner over Janet Mills in the U.S. Senate Democratic primary. Syracuse University and research firms Engagious and Sago held focus groups with voters from Maine and Michigan on Tuesday; both states are considered to be key battlegrounds for control of the Senate come November. The focus group discussions were covered by NBC News. Of the 13 participants from the two states who said they planned to vote in the upcoming primary elections, all described themselves as either a moderate or...