Which means he doesnt know or is outoftouch which is the point.
There is an old saying. You don't have to know all the answers, you just have to know how to find them.
It's like when you ask a question of a sales person, you don't want them making up stuff as they go along, you want the right answers even if you have to wait. Presidential campaigns, ad campaigns , what is the difference?
Not only did he ace the question, but he also followed up as promised.
Can't beat that.
Meanwhile when Obama is asked a question he says it is above his pay grade , which is akin to a counter clerk putting up the break sign just as you come to the window.
So let's look at perception again.
McCain is an eager sales person appreciative of your business.
Obama is a clerk at the DMV.
Who do you choose?