Only show problems that are not being campaigned on, otherwise there's lots of duplication between the front page 'Latest problems' and 'Campaign updates' lists
Only show problems that are not being campaigned on, otherwise there's lots of duplication between the front page 'Latest problems' and 'Campaign updates' lists

mysociety/fixmytransport,mysociety/fixmytransport,mysociety/fixmytransport,mysociety/fixmytransport,mysociety/fixmytransport,mysociety/fixmytransport