Jonathan E. Kaplan, a staff writer for The Hill, is covering the YearlyKos convention and will provide periodic updates on the Congress Blog.

The Democratic National Committee is conducting training for convention-goers interested in becoming delegates to next year’s convention in Denver, and the process, while arcane, is fascinating.

With so many competitive campaigns, there is talk here that the primary season might not be settled after Feb. 5, when California, New York, Illinois and New Jersey hold their primaries. Because Democrats award delegates on a proportional basis, a candidate does not need to come in first to stay in the race.

So the states that did not rush to move their primaries forward, such as Ohio and Texas, could benefit if the race is still up for grabs.

(Republicans have a winner-take-all system and fewer delegates).

The Democratic candidates are hiring “delegate trackers