That was an easy cop out for Romney, he knows Obama will never release any records.
Here's a list of some things Obama has never released:
1. Occidental College records and transcripts Not released
2. Columbia University records and transcripts Not released
3. Columbia Thesis paper not available
4. Harvard University records and transcripts Not released
5. Medical records Not released
6. Illinois State Senate schedule not available
7. Illinois State Senate records not available
8. Law practice client list Not released
9. Certified Copy of Original Birth certificate Not released
10. Harvard Law Review articles published None
11. University of Chicago scholarly articles None
12. Record of Baptism Not released or not available