The media will not beat this to death because:
1) it would raise the issue of Obama’s NBC status.
2) many of the Democrats up and comers are 1st generation Americans.
3) the media has been pushing the idea that born-citizen = NBC for so long that it has been drilled into the head of the public.
#1 is the main reason though. The media is not going to push anything that could possibly backfire onto Obama. This would.
Hope you are right on this, if Romney chooses Rubio or Jindal.