Maine delegates to next week’s Democratic National Convention range from a 17-year-old from Jay to political veterans and state lawmakers. And they also have varying reasons for taking part in the four-day event, from hoping to end the party’s superdelegate system to vowing to keep pushing for Bernie Sanders, who won the Maine caucuses with 64 percent of the vote, but nationally came up well short of presumptive nominee Hillary Clinton. Maine is sending 30 representatives to the convention: 17 delegates who are pledged to Bernie Sanders, eight pledged to Clinton and five so-called “superdelegates” who are allowed to cast ballots for any candidate of their choice, although four have pledged to support Clinton. State Rep.