Nevada has a closed caucus system — that is, only Democrats can participate on Feb. 20 and only Republicans on Feb. 23.
But because of a quirk in the system — cue the national ridicule again — Republicans could vote in both caucuses. How?
Republicans closed their registration rolls on Feb. 13, and that is the file that will be used on Feb. 23. Democrats are allowing same-day registration on Saturday.
So: A Republican registered by Feb. 13 could show up at a Democratic caucus site on Saturday, switch to the Democratic Party, vote and then still participate on Tuesday because the party switch would not show up on the GOP caucus rolls.