If you are confused by the prospect of a ‘brokered Democratic convention’ then bop on over to Rick Klau’s recent post. He explains (in general terms) how the Democratic delegate thing works, and how it might wind up being a last minute wrangle-fest. Plus, he’s even set up a wiki. Check it out.
P.S. If you want a better practice, use the 80/20 Principle to start creating radical leverage and massive ROI.