It would take a 10 point swing to move from the Republican mini-landside that he was predicting only a week ago to the the electoral map that he is showing today. For example he has Colorado as a Toss Up. That is probably true. But a week ago Colorado was Solid McCain. So he was way too optimistic McCain-wise a week ago and he is not overcompensating for Obama this week.
Why waste time paying any attention to what Morris says. We have Rasmussen, Battleground and Gallup (screwed up but we understand the fudge factors) plus the reliable state polls. That's what I look at.
fivethirtyeight.com is also a good site that brings a kind of meta-analysis to the poll process.
They’ve yet to be wrong. IMO