The link was to a poll of Dec. 18.
The link is to yesterdays poll, something is wrong with your computer, even RCP has it as being polled yesterday the 28th
InsiderAdvantage/Majority Opinion Research Iowa GOP Presidential Poll 12.28.11
Among Registered Voters Who Will be Voting in Iowa's Republican Presidential Primary
The link in the heading and in the article go to the 29 Dec poll. The link in comment #1 is to the poll of the 18th, apparently to support his comment “Santorum up, Paul, Perry down...” The polls don’t show change from previous, so you have to compare the two.