[JohnnyZ]

"National polls are a good overall look at where things stand for Super Tuesday today,..."

Double-fixed it.

Obviously things will change between now and Super Tuesday. Polls today give us a picture of where things are now nationally, and we can use our little gray cells to estimate where they'll be assuming X, Y, and Z happen.

[snarkybob]

“National polls are a good overall look at where things stand for Super Tuesday today,...”

I absolutely believe that polls point out trends.
Huckabee is trending up, so in more limited way is McCain.