How was George W Bush?

Expectedly, the debate has already started. Here is Vinod Meheta's take in Outlook newsmagazine.

"To see the exiting George Bush as a harmless, blundering idiot is grossly unfair to the man. He was, in fact, a dangerous, blundering idiot who inflicted (probably) irreparable damage on America and the free world. In the United States, the debate on how history will judge George W. fluctuates between—is he the worst president in the last 50 years, or is he the worst president ever? In his eight years at the White House, he successfully managed to destroy the twin pillars of the great American story: the blessings of democracy and the invincibility of free market capitalism...