The Situation Room in the White House was reserved for national security meetings in previous administrations. Apparently in the Obama administration it's used not only to map out campaign strategy, but for celebrity photo-ops as well:

If Jay-Z was the one who talked some sense into the White House on trying KSM in a military tribunal, perhaps this photo-op isn't such a breach of decorum after all. The nation would be truly indebted to him. Then again, we shouldn't discount any sensible detainee policy recommendations that may have been offered by Shakira.