Anyone who thinks that, on 6 November 2012, after Obama has been President for 45 and 1/2 months, you could fill a Grey Hound Bus with the number of people who cast their vote based on having seen, or not seen, the guy's kindergarten records, is so far out of the political mainstream that they don't even know which way the river is.
If Birtherism ever wants to become a serious political movement, its going to have to purge people with beliefs like that.
The problem is, who would be left?
Apparently you can compartmentalize things and use one example out of 25 typically benign documents being hidden and dismiss the whole issue. Others might look at the whole and find it disconcerting that anyone would want or need to hide so much. But then one would have to really give a hoot about the nature and character of the person who is acting as POTUS.