CNN : Clinton says she 's not making any promises tonight . NEW : CNN projects Clinton taking South Dakota ; Obama takes Montana . One of the lawmakers said Clinton 's husband , former President Bill Clinton , has been pushing the idea privately for several weeks . Obama passes delegate threshold . Clinton tells New York lawmakers she will be Obama 's No . 1 .
CNN : Clinton says she 's not making any promises tonight . NEW : CNN projects Clinton taking South Dakota ; Obama takes Montana . Obama passes delegate threshold . Clinton tells New York lawmakers she will be Obama 's No . 1 .