Seems people are quick to denounce our 94 vote increase in 2012 over 2008, and even quicker to conjecture reasons rather than investigate a bit. This is definitely a contributing factor:

It didn’t help matters that, due to redistricting, the county clerks in Clark and Washoe counties — the population hubs where Las Vegas and Reno are located — renumbered all of the local precincts last month. So voters in the state’s two largest cities were confused about where to caucus.
Read more: http://www.politico.com/news/stories...#ixzz1ldbwYgI9

http://www.politico.com/news/stories/0212/72480.html