Presidential rankings: Lincoln first again; Buchanan comes in last; Bush put at No. 36

Abraham Lincoln comes in first again in C-SPAN's second Historians Survey of Presidential Leadership -- an index that takes the views of 65 presidential historians and ranks the 42 former presidents according to 10 "attributes of leadership."

The public affairs cable news network first produced a Presidents Day ranking of presidents in 2000. So this is its initial look at where former president George W. Bush ranks. He comes in at No. 36.

As for the rest, historians' opinions haven't changed too much. George Washington (now No. 2) and Franklin Roosevelt (No. 3) switched places. Bill Clinton moved up from No. 21 in the previous index to No. 15 now. Ulysses S. Grant moved up 10 places, to No. 23. Rutherford B. Hayes lost 7 places, and now stands at No. 33.

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