WASHINGTON (TNND) — A series of scandals involving the likely Democratic nominee to take on Susan Collins in the midterm elections is raising questions about his chances to take down the five-term incumbent in a vital race for control of the Senate.Graham Platner, a progressive political newcomer who is a veteran and oyster farmer, has cleared the field in the Democratic primary ahead of Tuesday’s election and is certain to face Collins in the November election despite a string of controversies from his past.The race will be one of the most closely watched and expensive in the 2026 cycle as...