Oprah So, Who's the Head of the Obama Household?

6/15/2016 2:40 PM PDT
EXCLUSIVE

Oprah almost got tongue-tied when our photog asked her who runs the White House ... not as in the government, but the house in which the First Family lives.

O was in D.C. with FLOTUS for the first White House women's summit.  

Oprah's dramatic pause -- and answer -- are epic.