Rasmussen has Rudy at 29%, Thompson at 22%, Romney at 13%, and McCain at 11% as of today, Monday, August 20th, 2007. What is the date of that report you posted?
http://www.rasmussenreports.com/public_content/politics/daily_presidential_tracking_poll__1
Nevermind. Just noticed that those numbers are from the 16th.