Drudge is followed by a lot of political types, especially people in washington. Those people are the regulars and so the initial poll results will reflect their choice. So it appears that Romney is popular among them.
Given time, the poll will be posted in forums and through social networking, causing people to go there to vote for Paul. So his share of the vote will go up. But I think the key takeaway here is what the consensus is among the insiders.