then we are there - Tuesday.
The weekend will be a fury of activity unlike anything seen before - hundreds of thousands of supporters and volunteers for both campaigns.
To counter the idea of Obama having it in the bag, his campaign has released this video [http://uk.youtube.com/watch?v=8Xnk9aqih8o] to get people fired up for the long hours ahead.
It all comes down to getting out the vote, and Obama's grassroots structure is new, has not been up against the republican machine, and they will either win the election or lose it. The Obama campaign is doing an incredible job, but they know nothing can be taken for granted.