This is being done intentionally. Florida has clearly been won for some time, but for whatever silly reason, the MSM wants to make this look like a horse race, so they hold off calling Florida, but they give immediately California as soon as the polls close there.
Seen it before, but it still rankles.
Bush 209 Kerry 188
You nailed it. If they call Fla. and Ohio, voters might now bother to show up in Cal., etc.