I don't need to use wikipedia, I read the book. However if you must use wikipedia, looking at the entry for the book it states: "The Dwight D. Eisenhower administration agreed with the Churchill government to restore the pro-western Shah to power. In the summer of 1953, the CIA and Britain's MI6 arranged a coup in Tehran".
'Arranging a coup' is a a bit different than just 'supporting a coup'.
"You also claimed the CIA overthrew governments"
I only mentioned Iran. But it's hardly news that the CIA has been involved in overthrowing governments and propping up dictatorships around the world.
And Bush could mostly likely answer the question about the real reasons for going to war with Iraq, but lets not play dumb, we all know that what politicians say to the public is not always the same as what goes on behind closed doors. There was no real threat from Iraq and the weapons inspectors could have carried on working in Iraq (even Hans Blix said he wanted to continuing with the inspections), but the US almost seemed desperate to start a war.