A poll of 238 presidential experts at the Siena Research Institute has ranked the USA's presidents. This is the fifth time they have published such a list; the last one was in 2002. For the first time, Franklin Delano Roosevelt came in at number one. The top five are:

1. Franklin D. Roosevelt

2. Theodore Roosevelt

3. Abraham Lincoln

4. George Washington

5. Thomas Jefferson

President Obama ranks #15. You can see the complete rankings in .pdf form. Link -via J-Walk Blog