The Democratic National Convention is over and Hillary Clinton is the party’s nominee for president. Now, convention delegates who were pledged to Bernie Sanders are figuring out what to do come November. Polls show ninety percent of Bernie backers are prepared to support Clinton, and that’s before the bump that usually follows conventions. WGBH Radio’s Matt Baskin was at the DNC in Philadelphia, and he got a random sampling of three Sanders’ delegates from Massachusetts about their Election Day plans.