I think that the addition of a quick-moderation feature would be nice. So as you scroll down the list of topics, you could click on a small gear that would reside next to the topic name, and it would present you with a number of options for that particular topic. Options such as; delete topic, pin topic, accept topic (should you have pre-moderation activated, etc. Not an overwhelming number of options, but just a few so as to make it convenient. I am often filing through topics spending too much time going into a topic, only so I can do something so simple as delete it or approve it.
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