His greatest vulnerability may be the renaturalization issue. If he used Indonesian documents or claimed Indonesian citizenship, or adherence to Islam, in his college-loan documents, for instance, or used an Indonesian passport after he returned to Hawaii ......
......he's toast.
So people concerned about the COLB have to widen their scope to include the college records and the depositions and claims he supposedly made in his last-minute hearing in 2008 with Hawaiian election officials, in order not to be excluded from the general-election ballot.
After all, as with Nixon, it ain't the original infraction that gets 'em, it's the cover-up.
I figure the birth cert is the pry bar to let loose all the other documents.