In which state is Graham Platner challenging Republican Senator Susan Collins?

Graham Platner is challenging Republican Senator Susan Collins in Maine, which is significant because this state plays a crucial role in national elections, often displaying independent voting trends. This challenge highlights the competitive nature of Senate races in Maine, particularly given Collins' long tenure and mixed approval ratings. The dynamics in this state, including its unique political landscape and history of supporting moderate candidates, provide an essential backdrop for understanding the significance of Platner's campaign.