Democratic Senate candidate Graham Platner holds a slight lead over incumbent Republican Sen. Susan Collins in Maine, according to a new poll conducted by the New York Times, Portland Press Herald, and Siena Research Institute. The poll surveyed 608 likely voters in Maine between June 19 and 26. The results show Platner with 49% support, while Collins has 47%. The race is considered vital for Democrats seeking to regain control of the Senate, where Republicans currently hold a majority.