I am only guessing but the Iowans that "...have a tendency to flee to Florida in the winter..." is probably around 3-5%. Standard liberal inflation to try to make a claim that even Iowans can't deal with Iowa year round.
Notice how Collins disses Edwards for claiming that the winner of Iowa gets a surge of donations by giving him the pet name "John (I Currently Have No Money) Edwards" so as to equate a candidate's war chest as the only barometer for validity ie. Hillary has the biggest so she is the most valid.
It's funny to see Collins attempting to downplay the stature of Iowa (for better or worse) in the process by ignoring the countless statements by Hillary of it's importance bolstered by the amount of time she has spent there.
Hillary is slowly but surely deflating but she has alot of money to burn still and will surely not go quietly.
And, the beautiful irony is that her Domestic Partner helped start the slide with his big mouth, especially his ridiculous claims about being opposed to the Iraq War from the start. Bill better be ready to duck when the ashtrays and lamps start flying again.