We're all talking about this as if Iowa voters are going to the polls.

So it seems pretty clear that Iowa voters are focused on the economy like everyone else.

After a year of being courted, most Iowa voters were still open to switching candidates even on caucus day.

Put simply, Iowa voters want to know: "Do you share my values?"

Iowa voters are accustomed to personal attention and expect candidates to "get" their concerns.

The average Iowa voter is more than 50.

The polls indicate that first-time Iowa voters who made up their minds more than a month ago stuck with him.

Conversations with Iowa voters over the past week suggest the general might have had a hard time competing there.

But the explanations are not simple, and farm-conscious Iowa voters may have particular trouble with the subsidy issue.