A place to explain your preferences, discuss them, and maybe change your mind.
Some comments on this thread are cross-posted from a text box which appears when you reach the end of the voting process, but everyone is welcome to post here whenever.
You can read about all the candidates here.
Is there any scenario where only voting for your first choice would be wise? I don't think there is any downside to listing a second choice, assuming that you do actually prefer that second choice over any of the other options should your first choice be eliminated.