Of course no one wants to hear this. The Democrats gave up this time, knowing that fighting for every last vote would not only fail to get every vote counted, but would cost the party politically and in the public's eye. Once again, we'd be the "sore loser" demanding a recount. Since the people in charge of deciding how that recount works are all staunch Republicans, there's virtually a 100% chance that the recount would not be honest or fair. So in the end, the result would be the same - George W. Bush would be Emperor for 4 more years - and we'd look like fools.
It's really a very clever thing they've done.
Most voters in Ohio thought they were voting for Kerry. CNN's exit poll showed Kerry beating Bush among Ohio women by 53 percent to 47 percent. Kerry also defeated Bush among Ohio's male voters 51 percent to 49 percent. Unless a third gender voted in Ohio, Kerry took the state.
So what's going on here? Answer: the exit polls are accurate. Pollsters ask, "Who did you vote for?" Unfortunately, they don't ask the crucial, question, "Was your vote counted?" The voters don't know.
Here's why. Although the exit polls show that most voters in Ohio punched cards for Kerry-Edwards, thousands of these votes were simply not recorded. This was predictable and it was predicted.
The rest of the article describes in some detail how this all happened. Go ahead, read it.

